Update main.yml

Author: dansch1

.github/workflows/main.yml

@@ -41,5 +41,5 @@ jobs:
           JAVA_VALIDATION_OPTIONS: -allow-example-urls true -tx n/a
           SIMPLIFIER_USERNAME: ${{ secrets.SIMPLIFIER_USERNAME }}
           SIMPLIFIER_PASSWORD: ${{ secrets.SIMPLIFIER_PASSWORD }}
-          JAVA_VALIDATOR_VERSION: 6.2.3
+          JAVA_VALIDATOR_VERSION: 6.5.2
           ZTS_ENABLED: false