Rename output parameter mergeRequestURL of publish:gitlab:merge-request action to mergeRequestUrl

Signed-off-by: Andreas Berger <andreas@berger-ecommerce.com>

.changeset/bright-pumpkins-bake.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-scaffolder-backend': patch
+---
+
+Rename output parameter `mergeRequestURL` of `publish:gitlab:merge-request` action to `mergeRequestUrl`.

plugins/scaffolder-backend/src/scaffolder/actions/builtin/publish/gitlabMergeRequest.ts

@@ -127,7 +127,7 @@ export const createPublishGitlabMergeRequestAction = (options: {
             title: 'Gitlab Project path',
             type: 'string',
           },
-          mergeRequestURL: {
+          mergeRequestUrl: {
             title: 'MergeRequest(MR) URL',
             type: 'string',
             description: 'Link to the merge request in GitLab',