Group GH actions updates.

[simonmarty]

Description

Why is this change being made?

1. Reduce dependabot PR counts, make it easier to merge updates to GH actions.

What is changing?

1. Added GH actions update group.

Related Links

• Issue #, if available:

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Testing

How was this tested?

1. Just linted the dependabot file.
2. Docs reference https://docs.github.com/en/code-security/reference/supply-chain-security/dependabot-options-reference#groups--

When testing locally, provide testing artifact(s):

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Reviewee Checklist

Update the checklist after submitting the PR

• I have reviewed, tested and understand all changes
  If not, why:
• I have filled out the Description and Testing sections above
  If not, why:
• Build and Unit tests are passing
  If not, why:
• Unit test coverage check is passing
  If not, why:
• Integration tests pass locally
  If not, why:
• I have updated integration tests (if needed)
  If not, why:
• I have ensured no sensitive information is leaking (i.e., no logging of sensitive fields, or otherwise)
  If not, why:
• I have added explanatory comments for complex logic, new classes/methods and new tests
  If not, why:
• I have updated README/documentation (if needed)
  If not, why:
• I have clearly called out breaking changes (if any)
  If not, why:

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Reviewer Checklist

All reviewers please ensure the following are true before reviewing:

• Reviewee checklist has been accurately filled out
• Code changes align with stated purpose in description
• Test coverage adequately validates the changes

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.18%. Comparing base (f69804f) to head (414ba50).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #195   +/-   ##
=======================================
  Coverage   73.18%   73.18%           
=======================================
  Files           5        5           
  Lines         220      220           
  Branches       23       23           
=======================================
  Hits          161      161           
  Misses         50       50           
  Partials        9        9           

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