Fix integ-test-cache-cleanup.yml for running on act

.github/workflows/integ-test-cache-cleanup.yml

@@ -35,7 +35,7 @@ jobs:
         cache-read-only: false # For testing, allow writing cache entries on non-default branches
     - name: Build with 3.1
       working-directory: sources/test/jest/resources/cache-cleanup
-      run: gradle --no-daemon --build-cache -Dcommons_math3_version="3.1" build
+      run: ./gradlew --no-daemon --build-cache -Dcommons_math3_version="3.1" build
 
   # Second build will use the cache from the first build, but cleanup should remove unused artifacts
   assemble-build:
@@ -58,7 +58,7 @@ jobs:
         gradle-home-cache-cleanup: true
     - name: Build with 3.1.1
       working-directory: sources/test/jest/resources/cache-cleanup
-      run: gradle --no-daemon --build-cache -Dcommons_math3_version="3.1.1" build
+      run: ./gradlew --no-daemon --build-cache -Dcommons_math3_version="3.1.1" build
 
   check-clean-cache:
     needs: assemble-build
@@ -78,7 +78,9 @@ jobs:
       with:
         cache-read-only: true
     - name: Report Gradle User Home
-      run: du -hc ~/.gradle/caches/modules-2
+      run: |
+        du -hc ~/.gradle/caches/modules-2
+        du -hc ~/.gradle/wrapper/dists
     - name: Verify cleaned cache
       shell: bash
       run: |
@@ -90,3 +92,7 @@ jobs:
           echo "::error ::Should NOT find commons-math3 3.1 in cache"
           exit 1
         fi
+        if [ ! -e ~/.gradle/wrapper/dists/gradle-8.0.2-bin ]; then
+          echo "::error ::Should find gradle-8.0.2 in wrapper/dists"
+          exit 1
+        fi