chore(renovate): group go updates (#236)

It's too much work to merge go updates one by one.

Merge it into patch and minor groups.
Major updates will be still separate PR, as they give the biggest
possibility to break something.

Signed-off-by: Martin Basti <mbasti@redhat.com>

Author: MartinBasti

renovate.json

@@ -16,6 +16,18 @@
         "github-actions"
       ],
       "automerge": true
+    },
+    {
+      "description": "Go minor updates",
+      "matchManagers": ["gomod"],
+      "matchUpdateTypes": ["minor"],
+      "groupName": "go minor dependencies"
+    },
+    {
+      "description": "Go patch updates",
+      "matchManagers": ["gomod"],
+      "matchUpdateTypes": ["patch"],
+      "groupName": "go patch dependencies"
     }
   ]
 }