Disable major version update for wiremock (#14299)

Author: laurit

.github/renovate.json5

@@ -143,6 +143,16 @@
       ],
       enabled: false,
     },
+    {
+      // wiremock 3+ requires Java 11+
+      matchUpdateTypes: [
+        'major',
+      ],
+      enabled: false,
+      matchPackageNames: [
+        'com.github.tomakehurst:wiremock-jre8'
+      ],
+    },
     {
       // intentionally using Spring Boot 2 in this smoke tests
       // new versions of Spring Boot 3 are tested with