Feature: Common cache on the develop branch

[Magnus167]

Workflows can share caches built on the default branch. This PR adds logic that creates/checks the cache on every push to develop - accessible by all PRs made against develop.

Source:
https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows#restrictions-for-accessing-a-cach

and

https://stackoverflow.com/a/71061281

[codecov]

Codecov Report

Merging #1079 (ac8b497) into develop (4eb0baf) will not change coverage.
Report is 1 commits behind head on develop.
The diff coverage is n/a.

❗ Current head ac8b497 differs from pull request most recent head f78349c. Consider uploading reports for the commit f78349c to get more accurate results

Additional details and impacted files

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  Coverage    65.21%   65.21%           
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  Files           45       45           
  Lines         5086     5086           
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  Hits          3317     3317           
  Misses        1769     1769