updates github actions; updates mesh adjacency setup

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 94.44444% with 5 lines in your changes missing coverage. Please review.

Project coverage is 50.49%. Comparing base (809e5d3) to head (d885a2c). Report is 5 commits behind head on devel.

Files with missing lines	Patch %	Lines
src/generate_databases/setup_mesh_adjacency.f90	94.44%	5 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## devel #1743 +/- ## ========================================== - Coverage 50.68% 50.49% -0.19% ========================================== Files 271 271 Lines 61801 61738 -63 ========================================== - Hits 31322 31177 -145 - Misses 30479 30561 +82 ```

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