feat(presets/regex-managers): improve preset for dockerfile (#19637)

Co-authored-by: Michael Kriese <michael.kriese@visualon.de>

lib/config/presets/internal/regex-managers.ts

@@ -9,7 +9,7 @@ export const presets: Record<string, Preset> = {
       {
         fileMatch: ['(^|/|\\.)Dockerfile$', '(^|/)Dockerfile[^/]*$'],
         matchStrings: [
-          '# renovate: datasource=(?<datasource>[a-z-]+?) depName=(?<depName>[^\\s]+?)(?: (lookupName|packageName)=(?<packageName>[^\\s]+?))?(?: versioning=(?<versioning>[a-z-0-9]+?))?\\s(?:ENV|ARG) .+?_VERSION[ =]"?(?<currentValue>.+?)"?\\s',
+          '# renovate: datasource=(?<datasource>[a-z-]+?) depName=(?<depName>[^\\s]+?)(?: (lookupName|packageName)=(?<packageName>[^\\s]+?))?(?: versioning=(?<versioning>[^\\s]+?))?(?: registryUrl=(?<registryUrl>[^\\s]+?))?\\s(?:ENV|ARG) .+?_VERSION[ =]"?(?<currentValue>.+?)"?\\s',
         ],
       },
     ],