Merge pull request 'chore(renovate): fix config' (#3622) from viceice/forgejo:chore/renovate-reconfigure into forgejo

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/3622
Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org>
Reviewed-by: Otto <otto@codeberg.org>

renovate.json

@@ -121,7 +121,8 @@
       "customType": "regex",
       "fileMatch": ["^.forgejo/workflows/.+\\.yml$"],
       "matchStrings": ["\\s+node-version: ['\"]?(?<currentValue>.+?)['\"]?\\s"],
-      "depNameTemplate": "node"
+      "depNameTemplate": "node",
+      "datasourceTemplate": "node-version"
     },
     {
       "description": "Update deps inside Makefile",