chore: update hasFiles for yarn-build-cache step

Author: joshuaellis

.github/workflows/main.yml

@@ -53,7 +53,7 @@ jobs:
         id: yarn-build-cache
         with:
           path: packages/**/dist
-          key: ${{ runner.os }}-yarn-build-${{ hashFiles('packages/**') }}
+          key: ${{ runner.os }}-yarn-build-${{ hashFiles('/packages/**/*') }}
           restore-keys: |
             ${{ runner.os }}-yarn-build-