chore: update renovate config

.github/renovate.json5

@@ -53,9 +53,13 @@
         "(^|/)addons/.+\\.ya?ml(\\.j2)?$"
       ],
       "matchStrings": [
-        "datasource=(?<datasource>\\S+) depName=(?<depName>\\S+)( registryUrl=(?<registryUrl>\\S+))?\n.*?\"(?<currentValue>.*)\"\n"
+        // Example: `k3s_release_version: "v1.27.3+k3s1"`
+        "datasource=(?<datasource>\\S+) depName=(?<depName>\\S+)( versioning=(?<versioning>\\S+))?\n.*?\"(?<currentValue>.*)\"\n",
+        // Example: `- https://github.com/rancher/system-upgrade-controller/releases/download/v0.11.0/crd.yaml`
+        "datasource=(?<datasource>\\S+) depName=(?<depName>\\S+)( versioning=(?<versioning>\\S+))?\n.*?-\\s(.*?)\/(?<currentValue>[^/]+)\/[^/]+\n"
       ],
-      "datasourceTemplate": "{{#if datasource}}{{{datasource}}}{{else}}github-releases{{/if}}"
+      "datasourceTemplate": "{{#if datasource}}{{{datasource}}}{{else}}github-releases{{/if}}",
+      "versioningTemplate": "{{#if versioning}}{{{versioning}}}{{else}}semver{{/if}}"
     }
   ]
 }