chore: update renovate config [skip ci]

renovate.json

@@ -13,6 +13,5 @@
   ],
   "ignorePaths": [
     ".drone.yml"
-  ],
-  "commitMessageExtra": "to {{#if isPinDigest}}{{{newDigestShort}}}{{else}}{{#if isMajor}}{{prettyNewMajor}}{{else}}{{#if isSingleVersion}}{{prettyNewVersion}}{{else}}{{#if newValue}}{{{newValue}}}{{else}}{{{newDigestShort}}}{{/if}}{{/if}}{{/if}}{{/if}} [skip ci]"
+  ]
 }