enable dependabot for GitHub actions

[ranocha]

This allows us to get updates for GitHub actions automatically.

[codecov[bot]]

Codecov Report

Merging #55 (ae1c724) into main (ccaa502) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #55   +/-   ##
=======================================
  Coverage   68.00%   68.00%           
=======================================
  Files          68       68           
  Lines       10275    10275           
=======================================
  Hits         6987     6987           
  Misses       3288     3288           

Flag	Coverage Δ
unittests	68.00% <ø> (ø)

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[ranocha]

Can we merge this?

[andrewwinters5000]

Can we merge this?

Fine by me. What do you think @DavidAKopriva ?

[DavidAKopriva]

Yes, that's fine with me. See also PR#53

[andrewwinters5000]

@ranocha @sloede Should I add this same dependbot to the FTOL Github actions?

[sloede]

@ranocha @sloede Should I add this same dependbot to the FTOL Github actions?

Yes, that would be a good idea!