gitlab: fix inconsistent indentation

The standard is to use 2 space indent, not 3.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210216132954.295906-4-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 32cc6bd..870d5f8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -282,14 +282,14 @@
     MAKE_CHECK_ARGS: check
 
 acceptance-system-opensuse:
-   <<: *native_test_job_definition
-   needs:
-     - job: build-system-opensuse
-       artifacts: true
-   variables:
-     IMAGE: opensuse-leap
-     MAKE_CHECK_ARGS: check-acceptance
-   <<: *acceptance_definition
+  <<: *native_test_job_definition
+  needs:
+    - job: build-system-opensuse
+      artifacts: true
+  variables:
+    IMAGE: opensuse-leap
+    MAKE_CHECK_ARGS: check-acceptance
+  <<: *acceptance_definition
 
 
 build-disabled: