feat(renovate): automerge swagger-ui-dist patch updates

Looking at
https://github.com/swagger-api/swagger-ui/graphs/contributors
it looks like https://github.com/char0n is actively maintaining the
package and the changes of the last release suggest it can be
trusted with patch upgrades.

renovate.json

@@ -68,6 +68,21 @@
       "matchUpdateTypes": ["minor", "patch", "digest"],
       "automerge": true
     },
+    {
+      "description": "Split minor and patch updates",
+      "matchDepNames": [
+        "swagger-ui-dist"
+      ],
+      "separateMinorPatch": true
+    },
+    {
+      "description": "Automerge patch updates",
+      "matchDepNames": [
+        "swagger-ui-dist"
+      ],
+      "matchUpdateTypes": ["patch"],
+      "automerge": true
+    },
     {
       "description": "Update renovate with higher prio to come through rate limit",
       "matchDatasources": ["docker"],