Enable the check to verify that the license agreement is present in a PR description

Author: marko-bekhta

.github/hibernate-github-bot.yml

@@ -60,4 +60,6 @@ develocity:
         pattern: "((?:h2|postgres(?:ql)?|pgsql|mysql|mariadb|mssql|tidb|cockroach(?:db)?|oracle|db2|hsqldb|edb|sybase)(?:.*(?=_ci)|.*))(?:_ci)?"
         replacement: "$1"
       - pattern: "main|HEAD|\\d+.\\d+|PR-\\d+"
-        replacement: "" # Just remove these tags
+        replacement: "" # Just remove these tags
+licenseAgreement:
+  enabled: true