gittea test: prune trailing space

Dependencies

• [2] T3HCJYPL Implement `yath`-test for the new Gitea plugin
• [3] ZQLF4QLV Replace TestHTTPMockServer with python script

Change contents

• replacement in t/plugins/gitea.t at line 44
  [2.2804]→[2.2804:2806](∅→∅)
  −
  [2.2804]

  [2.2806]
  +