SONARPY-2395 Split the protobuf dependency from the rest to avoid breaking the build of "update all dependencies" (#2200)

Author: ghislainpiot

renovate.json

@@ -20,6 +20,11 @@
       "groupName": "sonarqube",
       "groupSlug": "sq"
     },
+    {
+      "matchPackageNames": ["com.google.protobuf:protobuf-java", "com.google.protobuf:protoc"],
+      "groupName": "protobuf",
+      "groupSlug": "protobuf"
+    },
     {
       "matchPackageNames": ["org.sonarsource.parent:parent"],
       "groupName": "parent",