fix(renovate): Adjust config to post-config-migration

apps/k8s01/renovate/renovate-values.yaml

@@ -21,10 +21,10 @@ data:
           "onbardingConfig": {
             "extends": ["config:base"],
             "updateLockFiles": true,
-            "gitLabAutomerge": true
+            "platformAutomerge": true
           },
           "force": {
-            "gitLabAutomerge": true
+            "platformAutomerge": true
           },
           "includeForks": true,
           "binarySource": "install"