Trust semver in github actions

[AndersAstrand]

We don't use github actions for anything production critical, so it seems fine to trust that the promises of semver is kept for these actions rather than having dependabot spam us with patch updates.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.48%. Comparing base (9bb436d) to head (3edb7bf).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #616   +/-   ##
=======================================
  Coverage   85.48%   85.48%           
=======================================
  Files           3        3           
  Lines        1343     1343           
  Branches      216      216           
=======================================
  Hits         1148     1148           
  Misses         92       92           
  Partials      103      103           

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