fix: Add registryTemplateUrl field to allowed fields for regexManager (#9239)

lib/config/validation.spec.ts

@@ -291,6 +291,7 @@ describe('config/validation', () => {
             matchStrings: ['ENV (?<currentValue>.*?)\\s'],
             depNameTemplate: 'foo',
             datasourceTemplate: 'bar',
+            registryUrlTemplate: 'foobar',
           },
         ],
       };

lib/config/validation.ts

@@ -277,6 +277,7 @@ export async function validateConfig(
                 'lookupNameTemplate',
                 'datasourceTemplate',
                 'versioningTemplate',
+                'registryUrlTemplate',
               ];
               // TODO: fix types
               for (const regexManager of val as any[]) {