Quote version 8.10 in integ test

Author: bigdaz

.github/workflows/integ-test-provision-gradle-versions.yml

@@ -75,7 +75,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        gradle: [8.10, 8.9, 7.6.4, 6.9.4, 5.6.4, 4.10.3, 3.5.1]
+        gradle: ["8.10", 8.9, 7.6.4, 6.9.4, 5.6.4, 4.10.3, 3.5.1]
         os: ${{fromJSON(inputs.runner-os)}}
         include:
           - java-version: 11