chore(deps): update ghcr.io/getsentry/image-mirror-library-postgres docker tag to v18

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/getsentry/image-mirror-library-postgres	service	major	17-alpine → 18-alpine

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[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.}

^{Reviewed by Cursor Bugbot for commit d0158e6. Configure here.}

[cursor]

Generated workflows out of sync

Low Severity

The Postgres image was bumped to 18-alpine only in generated integration workflow YAML, while test_group.jinja still pins 17-alpine. Those files are regenerated from the template, so the next run of split_tox_gh_actions.py can silently restore Postgres 17 in CI and undo this upgrade.

 

^{Reviewed by Cursor Bugbot for commit d0158e6. Configure here.}

[github-actions]

Codecov Results 📊

✅ 90018 passed | ⏭️ 6298 skipped | Total: 96316 | Pass Rate: 93.46% | Execution Time: 315m 43s

📊 Comparison with Base Branch

Metric	Change
Total Tests	—
Passed Tests	—
Failed Tests	—
Skipped Tests	—

✨ No test changes detected

All tests are passing successfully.

✅ Patch coverage is 100.00%. Project has 2437 uncovered lines.
✅ Project coverage is 89.77%. Comparing base (base) to head (head).

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
+ Coverage    89.77%    89.77%        —%
==========================================
  Files          192       192         —
  Lines        23819     23819         —
  Branches      8222      8222         —
==========================================
+ Hits         21382     21382         —
- Misses        2437      2437         —
- Partials      1347      1348        +1

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Generated by Codecov Action

[renovate]

Renovate Ignore Notification

Because you closed this PR without merging, Renovate will ignore this update. You will not get PRs for any future 18.x releases. But if you manually upgrade to 18.x then Renovate will re-enable minor and patch updates automatically.

If you accidentally closed this PR, or if you changed your mind: rename this PR to get a fresh replacement PR.