CI: Disable test-branch on main (#2573)

Julow · web-flow · commit 0ba448a9d741 · 2024-09-04T12:00:09.000+02:00
Might allow to workflow to complete since the recent update.
This CI job is not useful.
diff --git a/.github/workflows/build-linux.yml b/.github/workflows/build-linux.yml
@@ -57,6 +57,7 @@ jobs:
           path: _build/install/default/bin/ocamlformat
 
   test-branch:
+    if: ${{ github.ref != 'refs/heads/main' }}
     needs: build-linux
     runs-on: ubuntu-latest
     strategy:
