Issue #3138835 by jurgenhaas: Get ready for Drupal 9

composer.json

@@ -21,7 +21,7 @@
         "source": "https://git.drupal.org/project/gitlab_api"
     },
     "require": {
-        "php": ">=7.1",
+        "php": ">=7.2",
         "m4tthumphrey/php-gitlab-api": "^9.13",
         "php-http/guzzle6-adapter": "^1.0"
     }

gitlab_api.info.yml

@@ -2,6 +2,5 @@ name: GitLab API
 type: module
 description: Integrates your Drupal site into GitLab using the GitLab API.
 package: Web services
-core: 8.x
-core_version_requirement: ^8 || ^9
+core_version_requirement: ^8.8 || ^9
 project: gitlab_api