ci: separate Ruby patch and minor releases into separate MRs

renovate-common.json

@@ -108,7 +108,25 @@
       "matchDatasources": [
         "ruby-version"
       ],
-      "groupName": "ruby-version"
+      "separateMinorPatch": true
+    },
+    {
+      "matchDatasources": [
+        "ruby-version"
+      ],
+      "matchUpdateTypes": [
+        "patch"
+      ],
+      "groupName": "ruby-version-patch"
+    },
+    {
+      "matchDatasources": [
+        "ruby-version"
+      ],
+      "matchUpdateTypes": [
+        "minor"
+      ],
+      "groupName": "ruby-version-minor"
     }
   ]
 }