Update griefed/gitlab-ci-cd Docker tag to v2

This MR contains the following updates:

Package	Type	Update	Change
griefed/gitlab-ci-cd	service-image	major	1.1.0 -> 2.0.0

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.gitlab-ci.yml

@@ -16,7 +16,7 @@ variables:
   SECRET_DETECTION_EXCLUDED_PATHS: ""
 
 services:
-  - name: griefed/gitlab-ci-cd:1.1.0
+  - name: griefed/gitlab-ci-cd:2.0.0
     alias: docker
 
 sast: