chore: add markdown backtick

Author: Alex4386

.github/workflows/build.yml

@@ -80,5 +80,5 @@ jobs:
           git config user.name "GitHub Actions"
           git config user.email "actions@github.com"
           git add backend/docker-compose.yml
-          git commit -m "ci: update backend tag to ${GITHUB_SHA::7}"
+          git commit -m "ci: update backend tag to \`${GITHUB_SHA::7}\`"
           git push