Fix: Adjust usage of octokit

[localheinz]

This pull request

• adjusts the usage of octokit

Follows #432.

[codecov]

Codecov Report

Merging #434 (2f14d6c) into main (38263f3) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main     #434   +/-   ##
=========================================
  Coverage     97.24%   97.24%           
  Complexity       50       50           
=========================================
  Files             6        6           
  Lines           145      145           
=========================================
  Hits            141      141           
  Misses            4        4           

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