Group protobuf/grpc upgrades

Signed-off-by: Yuri Shkuro <[email protected]>

Author: yurishkuro

renovate.json

@@ -15,6 +15,16 @@
     "prEditedNotification"
   ],
   "packageRules": [
+    {
+      "groupName": "All Protobuf/gRPC packages",
+      "matchManagers": [
+        "gomod"
+      ],
+      "matchSourceUrls": [
+        "google.golang.org{/,}**",
+        "github.com/gogo/{/,}**"
+      ]
+    },
     {
       "matchManagers": [
         "github-actions"