fix overzealous find & replace

Author: ryansolid

.github/workflows/main-ci.yml

@@ -29,7 +29,7 @@ jobs:
       npm run test:coverage
 
   - name: Coveralls
-    uses: coverallsapp/github-action@main
+    uses: coverallsapp/github-action@master
     with:
       base-path: packages/solid
       path-to-lcov: "./packages/solid/coverage/lcov.info"