fix: encode username

Author: afonja14755

.changeset/long-stars-tie.md

@@ -0,0 +1,5 @@
+---
+"changesets-gitlab": patch
+---
+
+fix encode username

src/main.ts

@@ -35,14 +35,15 @@ export const main = async ({
 
     console.log('setting GitLab credentials')
     const username = await getUsername(createApi())
+    const safeUsername = encodeURIComponent(username)
 
     await exec(
       'git',
       [
         'remote',
         'set-url',
         'origin',
-        `${url.protocol}//${username}:${GITLAB_TOKEN}@${
+        `${url.protocol}//${safeUsername}:${GITLAB_TOKEN}@${
           url.host
         }${url.pathname.replace(/\/$/, '')}/${env.CI_PROJECT_PATH}.git`,
       ],