ci: fix renovate schedule

[lengau]

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[codecov[bot]]

Codecov Report

Merging #98 (25ef0e2) into main (1d0838a) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #98   +/-   ##
=======================================
  Coverage   90.17%   90.17%           
=======================================
  Files          13       13           
  Lines         692      692           
  Branches      141      141           
=======================================
  Hits          624      624           
  Misses         50       50           
  Partials       18       18