uncomment github actions dependabot config

[ssteinbach]

• add dependabot support for versioning GitHub actions

[codecov-commenter]

Codecov Report

Merging #958 (d53fddd) into master (1f92548) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #958   +/-   ##
=======================================
  Coverage   85.63%   85.63%           
=======================================
  Files         191      191           
  Lines       18160    18160           
  Branches     2061     2061           
=======================================
  Hits        15552    15552           
  Misses       2085     2085           
  Partials      523      523           

Flag	Coverage Δ
unittests	85.63% <ø> (ø)

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[meshula]

daily makes sense to me, as updates are likely to have critical fixes against things like mining attacks.

[ssteinbach]

Exactly