deps: update actions/cache action to v3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/cache	action	major	v2 -> v3

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Release Notes

actions/cache (actions/cache)

### [`v3`](https://togithub.com/actions/cache/compare/v2...v3) [Compare Source](https://togithub.com/actions/cache/compare/v2...v3)

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[codecov[bot]]

Codecov Report

Merging #54 (063dd54) into master (0322bde) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #54   +/-   ##
=======================================
  Coverage   13.79%   13.79%           
=======================================
  Files           4        4           
  Lines         174      174           
  Branches       44       44           
=======================================
  Hits           24       24           
  Misses        148      148           
  Partials        2        2