Update python Docker tag to v3.13

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
python	final	minor	3.12-slim -> 3.13-slim

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Configuration

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[github-actions]

Lint checks failed for 1ae69d5

```

Success: no issues found in 57 source files
************* Module tests.integration.test___init__run_migrate
tests/integration/test___init__run_migrate.py:34:0: R0917: Too many positional arguments (11/5) (too-many-positional-arguments)
************* Module tests.integration.test___init__run_reconcile
tests/integration/test___init__run_reconcile.py:34:0: R0917: Too many positional arguments (6/5) (too-many-positional-arguments)
************* Module tests.unit.test_discourse
tests/unit/test_discourse.py:354:0: R0917: Too many positional arguments (6/5) (too-many-positional-arguments)
tests/unit/test_discourse.py:569:0: R0917: Too many positional arguments (6/5) (too-many-positional-arguments)
************* Module tests.unit.test_reconcile
tests/unit/test_reconcile.py:93:0: R0917: Too many positional arguments (6/5) (too-many-positional-arguments)
tests/unit/test_reconcile.py:1138:0: R0917: Too many positional arguments (6/5) (too-many-positional-arguments)

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Your code has been rated at 9.99/10

[github-actions]

Test coverage for 1ae69d5

Name                                 Stmts   Miss Branch BrPart  Cover   Missing
--------------------------------------------------------------------------------
src/gatekeeper/__init__.py              96      0     42      0   100%
src/gatekeeper/action.py               158      0     48      0   100%
src/gatekeeper/check.py                 62      0     25      0   100%
src/gatekeeper/clients.py               11      0      0      0   100%
src/gatekeeper/commit.py                41      0     12      0   100%
src/gatekeeper/constants.py              8      0      0      0   100%
src/gatekeeper/content.py               49      0     10      0   100%
src/gatekeeper/discourse.py            157      0     34      0   100%
src/gatekeeper/docs_directory.py        32      0      8      0   100%
src/gatekeeper/download.py              21      0      2      0   100%
src/gatekeeper/exceptions.py            14      0      0      0   100%
src/gatekeeper/index.py                141      0     56      0   100%
src/gatekeeper/metadata.py              58      0     28      0   100%
src/gatekeeper/migration.py            101      0     33      0   100%
src/gatekeeper/navigation_table.py      64      0     20      0   100%
src/gatekeeper/reconcile.py            122      0     60      0   100%
src/gatekeeper/repository.py           292      0     88      0   100%
src/gatekeeper/sort.py                  42      0     26      0   100%
src/gatekeeper/types_.py               201      0     54      0   100%
--------------------------------------------------------------------------------
TOTAL                                 1670      0    546      0   100%

Static code analysis report

Working... ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 0:00:01
Run started:2024-10-08 00:54:04.702598

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 17878
  Total lines skipped (#nosec): 3
  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):