Fix vulnerabilities and refactor some parts

[ckunki]

• [x] Use latest drivers and ExaPlus from the URLS behind downloads.exasol.com
  • Old: https://exasol-script-languages-dependencies.s3.eu-central-1.amazonaws.com/EXASOL_ODBC-7.0.11.tar.gz
  • New: https://x-up.s3.amazonaws.com/7.x/24.1.1/Exasol_ODBC-24.1.1-Linux_x86_64.tar.gz
• [x] Use latest version of exasol-python-test-framework (EPTF)
  • incl. feature https://github.com/exasol/exasol-python-test-framework/issues/66
• [ ] Add CLI option FINGERPRINT=NoCertCheck for Exasol DB ≥ version 8
• [x] Fix vulnerabilities
  • CVE-2024-35195 in dependency requests in versions below 2.32.0 caused by requests Session object not verifying requests after making first request with verify=False
  • CVE-2024-37891 in transitive dependency via boto3 to urllib3 in versions below 2.2.2 caused by proxy-authorization request header not to be stripped during cross-origin redirects as no update of notebook-connector is available, yet.
  • GHSA-w235-7p84-xx57 in transitive dependency via luigi to tornado in versions below 6.4.1 enabling CRLF injection in CurlAsyncHTTPClient headers.
  • GHSA-753j-mpmx-qq6g in transitive dependency via luigi to tornado in versions below 6.4.1 due to inconsistent interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
• [x] Ignore vulnerabilities
  • GHSA-753j-mpmx-qq6g in dependency configobj in versions <= 5.0.8 being ReDoS exploitable by developers using values in a server-side configuration file as SLCT is used only client side and pathed version are not available, yet.

[ckunki]

CI Build, job test-envs (CentOs7) reported

"Could not resolve host: mirrorlist.centos.org;" See https://serverfault.com/questions/1161816/mirrorlist-centos-org-no-longer-resolve

This required to update CentOs7/Dockerfile

[ckunki]

CentOs7 was removed from tested environments.

[ckunki]

Downloading a newer version of exasol_python_test_framework via pip install with requirements.txt seems to download multiple version of pyodbc. Some of them containing python code in their file setup.py that is no longer valid for Python10:

Downloading pyodbc-2.1.11.zip (148 kB)
 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 148.5/148.5 KB 46.2 MB/s eta 0:00:00
  Preparing metadata (setup.py): started
  Preparing metadata (setup.py): finished with status 'error'
  error: subprocess-exited-with-error 
  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [7 lines of output]
      Traceback (most recent call last):
        File "<string>", line 2, in <module>
        File "<pip-setuptools-caller>", line 34, in <module>
        File "/tmp/pip-install-3jzw3vrq/pyodbc_9c9a5a6d9ab6402e8f96e9b086f7880e/setup.py", line 33
          print version_str
          ^^^^^^^^^^^^^^^^^
      SyntaxError: Missing parentheses in call to 'print'. Did you mean print(...)?
      [end of output]
    note: This error originates from a subprocess, and is likely not a problem with pip.