refactor: Refactored the secrets.py module

Refactored the secrets.py module removing the env and vault secret manager code and refactored them into their own modules in a new secretmanager package. Also refactored the tests. All tests continue to pass
(venv) cdsre@cdsre-NBLK-WAX9X:~/PycharmProjects/chaostoolkit-lib$ pytest tests/secretmanagers/test*
Test session starts (platform: linux, Python 3.10.12, pytest 7.4.4, pytest-sugar 1.0.0)
cachedir: .pytest_cache
rootdir: /home/cdsre/PycharmProjects/chaostoolkit-lib
configfile: pyproject.toml
plugins: anyio-4.3.0, requests-mock-1.11.0, sugar-1.0.0, cov-4.1.0
collected 16 items                                                                                                                                                                                   

 tests/secretmanagers/test_env.py::test_should_load_environment ✓                                                                                                                        6% ▋         
 tests/secretmanagers/test_env.py::test_should_load_nested_environment ✓                                                                                                                12% █▍        
 tests/secretmanagers/test_env.py::test_should_load_inline ✓                                                                                                                            19% █▉        
 tests/secretmanagers/test_env.py::test_should_merge_properly ✓                                                                                                                         25% ██▌       
 tests/secretmanagers/test_vault.py::test_should_auth_with_approle ✓                                                                                                                    31% ███▎      
 tests/secretmanagers/test_vault.py::test_should_catch_approle_invalid_secret_id_abort_the_run ✓                                                                                        38% ███▊      
 tests/secretmanagers/test_vault.py::test_should_auth_with_token ✓                                                                                                                      44% ████▍     
 tests/secretmanagers/test_vault.py::test_should_auth_with_service_account ✓                                                                                                            50% █████     
 tests/secretmanagers/test_vault.py::test_should_catch_service_account_invalid_abort_the_run ✓                                                                                          56% █████▋    
 tests/secretmanagers/test_vault.py::test_read_secrets_from_vault_with_kv_version_1 ✓                                                                                                   62% ██████▍   
 tests/secretmanagers/test_vault.py::test_read_secrets_from_vault_with_kv_version_2 ✓                                                                                                   69% ██████▉   
 tests/secretmanagers/test_vault.py::test_override_load_environmen_with_var ✓                                                                                                           75% ███████▌  
 tests/secretmanagers/test_vault.py::test_should_override_load_inline_with_var ✓                                                                                                        81% ████████▎ 
 tests/secretmanagers/test_vault.py::test_vault_add_subkeys ✓                                                                                                                           88% ████████▊ 
 tests/secretmanagers/test_vault.py::test_vault_replace_entire_declare ✓                                                                                                                94% █████████▍
 tests/secretmanagers/test_vault.py::test_override_vault_with_vars ✓                                                                                                                   100% ██████████

---------- coverage: platform linux, python 3.10.12-final-0 ----------
Name                               Stmts   Miss  Cover   Missing
----------------------------------------------------------------
chaoslib/__init__.py                 188    153    19%   41-42, 60-79, 92-107, 111, 117-130, 136-149, 160-174, 202-267, 278-296, 311-330, 348-356, 369, 384-389
chaoslib/activity.py                 164    164     0%   1-339
chaoslib/caching.py                   46     46     0%   3-92
chaoslib/configuration.py             60     60     0%   1-200
chaoslib/control/__init__.py         216    216     0%   1-507
chaoslib/control/python.py            91     91     0%   1-204
chaoslib/deprecation.py               31     31     0%   1-69
chaoslib/discovery/__init__.py         2      2     0%   1-8
chaoslib/discovery/discover.py       109    109     0%   1-227
chaoslib/discovery/package.py         53     53     0%   1-122
chaoslib/exit.py                      48     48     0%   43-163
chaoslib/experiment.py                67     67     0%   1-185
chaoslib/extension.py                 51     51     0%   1-105
chaoslib/hypothesis.py               205    205     0%   1-425
chaoslib/info.py                      26     26     0%   1-56
chaoslib/loader.py                    71     71     0%   1-133
chaoslib/log.py                      108     55    49%   3-4, 20-22, 35-44, 83-84, 93-99, 113, 117-129, 150-151, 154-155, 168, 171-191, 197, 200-206
chaoslib/notification.py              92     92     0%   1-237
chaoslib/provider/http.py             52     52     0%   1-130
chaoslib/provider/process.py          48     48     0%   1-111
chaoslib/provider/python.py           74     74     0%   1-148
chaoslib/rollback.py                  19     19     0%   1-51
chaoslib/run.py                      511    511     0%   1-1154
chaoslib/secretmanagers/env.py        12      1    92%   14
chaoslib/secretmanagers/vault.py      67     10    85%   11-12, 73-77, 82-83, 104-105, 186-187
chaoslib/settings.py                  62     46    26%   30-43, 53-59, 66, 96-132
chaoslib/types.py                     71     27    62%   77-90, 101-112, 122-124
----------------------------------------------------------------
TOTAL                               2590   2328    10%

4 files skipped due to complete coverage.

Results (0.45s):
      16 passed
chaostoolkit / chaostoolkit-lib

refactor: Refactored the secrets.py module #273
