Update .github/workflows/translation.yml

Co-authored-by: Sviatoslav Sydorenko <wk.cvs.github@sydorenko.org.ua>

Author: dukecat0

.github/workflows/translation.yml

@@ -26,7 +26,7 @@ jobs:
          run: |
            git config --local user.email "github-actions[bot]@users.noreply.github.com"
            git config --local user.name "github-actions[bot]"
-           git_hash=$(git rev-parse --short "$GITHUB_SHA")
+           git_hash=$(git rev-parse --short "${GITHUB_SHA}")
            git commit -m "Update messages.pot as of version ${git_hash}" locales/messages.pot
        - name: Check if any sources have changed since the last update
          if: failure()