feat: support custom labels on Gitlab Merge Request (#180)

Co-authored-by: bert.degeyter <bert.degeyter@showpad.com>

Author: TheHolyWaffle

.changeset/four-ladybugs-teach.md

@@ -0,0 +1,5 @@
+---
+'changesets-gitlab': minor
+---
+
+Allow adding custom labels to the version package Gitlab Merge Request

README.md

@@ -30,6 +30,7 @@ GitLab CI cli for [changesets](https://github.com/atlassian/changesets) like its
 - `INPUT_REMOVE_SOURCE_BRANCH` - Enables the merge request "Delete source branch" checkbox. Default false.
 - `INPUT_TARGET_BRANCH` -> The merge request target branch. Defaults to current branch
 - `INPUT_CREATE_GITLAB_RELEASES` - A boolean value to indicate whether to create Gitlab releases after publish or not. Default true.
+- `INPUT_LABELS` - A comma separated string of labels to be added to the version package Gitlab Merge request
 
 ### Outputs
 

src/run.ts

@@ -13,11 +13,12 @@ import * as context from './context.js'
 import * as gitUtils from './gitUtils.js'
 import readChangesetState from './readChangesetState.js'
 import {
-  getChangelogEntry,
   execWithOutput,
   getChangedPackages,
-  sortTheThings,
+  getChangelogEntry,
+  getOptionalInput,
   getVersionsByDirectory,
+  sortTheThings,
 } from './utils.js'
 
 import { createApi } from './index.js'
@@ -312,6 +313,9 @@ ${
       {
         description: await mrBodyPromise,
         removeSourceBranch,
+        labels: getOptionalInput('labels')
+          ?.split(',')
+          .map(x => x.trim()),
       },
     )
   } else {