Pin dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	pinDigest	→ 11bd719
actions/upload-artifact	action	pinDigest	→ ea165f8
codecov/codecov-action	action	pinDigest	→ 18283e0
codecov/test-results-action	action	pinDigest	→ 47f89e9
docker.io/library/ruby (source)	final	pinDigest	→ 342bfeb
docker/dockerfile	syntax	pinDigest	→ ecfaec9
ghcr.io/rails/devcontainer/images/ruby	final	pinDigest	→ 0a4ec56
postgres (source)		pinDigest	→ 09f23e0
redis (source)		pinDigest	→ 6461ca4
selenium/standalone-chromium		pinDigest	→ 1d3d834

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (b25814e) to head (140a8e1).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #504   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          118       118           
  Lines         2749      2749           
  Branches        99        99           
=========================================
  Hits          2749      2749           

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