reverted use of 4CPU runner as this didn't work

.github/workflows/main.yml

@@ -4,8 +4,8 @@ on:
   - workflow_dispatch
 jobs:
   build:
-    #runs-on: ubuntu-latest-64cpu
-    runs-on: ubuntu-latest-4cpu
+    runs-on: ubuntu-latest-64cpu
+    #runs-on: ubuntu-latest-4cpu
     steps:
       - name: Check out the repository to the runner
         uses: actions/checkout@v4
@@ -35,7 +35,7 @@ jobs:
         env: # Or as an environment variable
           APP_PARAMETERS: "-Daws.region=eu-west-1 -Dgoogle.maps.authenticationparams=${{ secrets.GOOGLE_MAPS_AUTHENTICATIONPARAMS }} -Daws.s3.test.s3AccessId=${{ secrets.AWS_S3_TEST_S3ACCESSID }} -Daws.s3.test.s3AccessKey=${{ secrets.AWS_S3_TEST_S3ACCESSKEY }}"
         run: |
-          ./configuration/buildAndUpdateProduct.sh -x 4 build 2>&1 | tee build.log
+          ./configuration/buildAndUpdateProduct.sh -x 60 build 2>&1 | tee build.log
       - name: Collect Test Reports
         uses: dorny/test-reporter@v1
         if: always()