feat: allow automerge of actions/cache v6 (#81)

Reviewed-on: #81
Co-authored-by: t.behrendt <t.behrendt@t00n.de>
Co-committed-by: t.behrendt <t.behrendt@t00n.de>

action.json

@@ -18,25 +18,20 @@
         "t.behrendt/conventional-semantic-git-tag-increment",
         "t.behrendt/k_deploy_workflows",
         "t.behrendt/validate-json-by-json-schema-action",
-
         "actions/checkout",
         "actions/cache",
         "actions/cache/*",
         "actions/setup-go",
-
         "azure/setup-kubectl",
         "azure/setup-helm",
         "azure/k8s-set-context",
         "azure/k8s-create-secret",
         "azure/k8s-deploy",
         "azure/k8s-lint",
-
         "helmfile/helmfile-action",
-
         "docker/setup-buildx-action",
         "docker/login-action",
         "docker/build-push-action",
-
         "oven-sh/setup-bun"
       ],
       "automerge": true,
@@ -53,6 +48,16 @@
       "platformAutomerge": true,
       "automergeType": "pr",
       "addLabels": ["automerge"]
+    },
+    {
+      "matchManagers": ["github-actions"],
+      "matchUpdateTypes": ["major"],
+      "matchPackageNames": ["actions/cache"],
+      "matchNewValue": "v6.0.0",
+      "automerge": true,
+      "platformAutomerge": true,
+      "automergeType": "pr",
+      "addLabels": ["automerge"]
     }
   ]
 }