better print messages

Author: sneakers-the-rat

.github/workflows/i18n.yaml

@@ -29,10 +29,10 @@ jobs:
         run: |
           if [ -z "$(git status --porcelain)" ];
           then
-            echo "No changes detected"
+            echo "No changes detected, translations are up to date!" >> $GITHUB_STEP_SUMMARY
             exit 0
           else
-            echo "Changes to models detected"
+            echo "Changes to .po files detected, please run `nox -s update-translations` to reflect changes to source text" >> $GITHUB_STEP_SUMMARY
             echo "$(git status)"
             echo "$(git diff)"
             exit 1