Configure Renovate to avoid grouped updates (#44)

Author: vdiez

.github/renovate.json

@@ -7,11 +7,14 @@
     "enabled": true
   },
   "packageRules": [
+    {
+      "description": "Don't group updates by default",
+      "matchPackageNames": ["*"],
+      "groupName": null
+    },
     {
       "matchManagers": ["github-actions"],
-      "pinDigests": false,
-      "groupName": "all github actions",
-      "groupSlug": "all-github-actions"
+      "pinDigests": false
     },
     {
       "matchManagers": ["github-actions"],
@@ -24,5 +27,6 @@
     }
   ],
   "autoApprove": true,
+  "prCreation": "immediate",
   "rebaseWhen": "never"
 }