Update patter for sized action

Author: devrnt

.github/workflows/pull-request.yml

@@ -29,4 +29,4 @@ jobs:
       - uses: preactjs/compressed-size-action@v2
         with:
           repo-token: '${{ secrets.GITHUB_TOKEN }}'
-          pattern: "packages/**/dist/**/*.?(m)js"
+          pattern: "packages/**/dist/**/*.?(c)js"