cache unity library

Author: jinliu9508

.github/workflows/create-release-pr.yml

@@ -61,6 +61,14 @@ jobs:
           echo "Unity found at: $UNITY_PATH"
           $UNITY_PATH -version
 
+      - name: Cache Unity Library
+        uses: actions/cache@v4
+        with:
+          path: OneSignalExample/Library
+          key: Library-${{ runner.os }}-${{ hashFiles('**/Packages/manifest.json') }}
+          restore-keys: |
+            Library-${{ runner.os }}-
+
       - name: 🏗️ Run composeRelease.sh
         run: |
           chmod +x ./composeRelease.sh