fix: remove --global flag when setting user (#66)

Author: awxalbert

.changeset/eighty-coats-pull.md

@@ -0,0 +1,5 @@
+---
+'changesets-gitlab': patch
+---
+
+remove --global flag when setting user

src/gitUtils.ts

@@ -3,15 +3,9 @@ import { exec } from '@actions/exec'
 import { execWithOutput, identify } from './utils.js'
 
 export const setupUser = async () => {
+  await exec('git', ['config', 'user.name', process.env.GITLAB_USER_NAME!])
   await exec('git', [
     'config',
-    '--global',
-    'user.name',
-    process.env.GITLAB_USER_NAME!,
-  ])
-  await exec('git', [
-    'config',
-    '--global',
     'user.email',
     process.env.GITLAB_CI_USER_EMAIL ||
       '"gitlab[bot]@users.noreply.gitlab.com"',