Github actions-based e2e workflow

[hellt]

This manually triggered workflow should perform an e2e test for kne running with this srl-controller

[codecov]

Codecov Report

Merging #32 (c5c61fe) into main (a16ecd7) will not change coverage.
The diff coverage is n/a.

❗ Current head c5c61fe differs from pull request most recent head 0ff4f8f. Consider uploading reports for the commit 0ff4f8f to get more accurate results

@@           Coverage Diff           @@
##             main      #32   +/-   ##
=======================================
  Coverage   65.69%   65.69%           
=======================================
  Files           7        7           
  Lines         548      548           
=======================================
  Hits          360      360           
  Misses        164      164           
  Partials       24       24