Tag coveralls GitHub action

Author: devpow112

.github/workflows/build.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Run tests
         run: npm test
       - name: Report coverage
-        uses: coverallsapp/github-action@master
+        uses: coverallsapp/github-action@v1.1.1
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run build