change logic to not consider update actions where local and server is the same

[jdkandersson]

Changes the conflict detection logic to ignore update actions where the local (on the PR) and server (on discourse) content is the same for the purpose of logical conflict detection

[github-actions[bot]]

Test coverage for fde4e335853b17000f59b8d68ea6be7409e3e99d

Name                      Stmts   Miss Branch BrPart  Cover   Missing
---------------------------------------------------------------------
src/__init__.py              60      0     20      0   100%
src/action.py               154      0     46      0   100%
src/check.py                 53      0     21      0   100%
src/clients.py               12      0      0      0   100%
src/constants.py              7      0      0      0   100%
src/content.py               50      0     10      0   100%
src/discourse.py            156      0     34      0   100%
src/docs_directory.py        33      0      8      0   100%
src/download.py              23      0      2      0   100%
src/exceptions.py            14      0      0      0   100%
src/index.py                 28      0      6      0   100%
src/metadata.py              28      0     12      0   100%
src/migration.py             87      0     27      0   100%
src/navigation_table.py      63      0     20      0   100%
src/reconcile.py             85      0     40      0   100%
src/repository.py           238      0     76      0   100%
src/types_.py               125      0     22      0   100%
---------------------------------------------------------------------
TOTAL                      1216      0    344      0   100%

Static code analysis report

Run started:2023-06-20 07:55:51.833134

Test results:
    No issues identified.

Code scanned:
    Total lines of code: 11038
    Total lines skipped (#nosec): 14
    Total potential issues skipped due to specifically being disabled (e.g., #nosec BXXX): 0

Run metrics:
    Total issues (by severity):
        Undefined: 0
        Low: 0
        Medium: 0
        High: 0
    Total issues (by confidence):
        Undefined: 0
        Low: 0
        Medium: 0
        High: 0
Files skipped (0):

[deusebio]

Makes sense! LGTM