[READY] Update all actions

[bstaletic]

PR Prelude

Thank you for working on YCM! :)

Please complete these steps and check these boxes (by putting an x inside
the brackets) before filing your PR:

• I have read and understood YCM's CONTRIBUTING document.
• I have read and understood YCM's CODE_OF_CONDUCT document.
• I have included tests for the changes in my PR. If not, I have included a
  rationale for why I haven't.
• I understand my PR may be closed if it becomes obvious I didn't
  actually perform all of these steps.

Why this change is necessary and useful

Because github is complaining about the age of actions.

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This change is 

[codecov]

Codecov Report

Merging #4175 (2e8b209) into master (7684b6c) will decrease coverage by 2.48%.
Report is 238 commits behind head on master.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4175      +/-   ##
==========================================
- Coverage   91.30%   88.82%   -2.48%     
==========================================
  Files          27       34       +7     
  Lines        3714     4395     +681     
==========================================
+ Hits         3391     3904     +513     
- Misses        323      491     +168     

[puremourning]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: 1 of 2 LGTMs obtained (waiting on @bstaletic)

[mergify]

Thanks for sending a PR!