[Renovate] Remove v prefix

renovate.json

@@ -10,7 +10,7 @@
       "matchStrings": [
         "# renovate: datasource=(?<datasource>[a-z-]+?) depName=(?<depName>.+?)(?: (?:packageName|lookupName)=(?<packageName>.+?))?(?: versioning=(?<versioning>[a-z0-9-]+?))?\\s(?:ENV|ARG) .+?_VERSION=(?<currentValue>.+?)\\s"
       ],
-      "versioningTemplate": "{{#if versioning}}{{versioning}}{{else}}semver{{/if}}"
+      "extractVersionTemplate": "^v(?<version>.*)$"
     }
   ],
   "packageRules": [