Block releasing on successfully running _all_ tests (#94)

Author: nex3

.github/workflows/ci.yml

@@ -219,7 +219,7 @@ jobs:
   deploy_github_linux:
     name: "Deploy Github: linux-ia32, linux-x64"
     runs-on: ubuntu-latest
-    needs: [dart_tests, static_analysis]
+    needs: [dart_tests, sass_spec, static_analysis, format]
     if: "startsWith(github.ref, 'refs/tags/') && github.repository == 'sass/dart-sass-embedded'"
 
     steps: