fix: notify slack on master

Author: kabaros

.github/workflows/dhis2-verify-lib.yml

@@ -194,7 +194,9 @@ jobs:
 
     send-slack-message:
         runs-on: ubuntu-latest
-        if: ${{ always() && github.ref == 'refs/heads/master' }}
+        if: |
+          always() &&
+          github.ref == 'refs/heads/fix/action-slack'
         needs: [build, lint, test, e2e, publish]
         steps:
             - uses: rtCamp/action-slack-notify@v2