chore(deps): 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
griefed/gitlab-ci-cd	image	major	1.1.0 -> 2.0.0

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.gitlab-ci.yml

@@ -8,7 +8,7 @@ Gradle Test:
   image: griefed/baseimage-ubuntu-jdk-8:2.0.1
   stage: Gradle Test
   services:
-    - name: griefed/gitlab-ci-cd:1.1.0
+    - name: griefed/gitlab-ci-cd:2.0.0
       alias: docker
   variables:
     project_name: $CI_PROJECT_NAME
@@ -60,9 +60,9 @@ Release:
     - job: 'Gradle Test'
       artifacts: false
   stage: Release
-  image: griefed/gitlab-ci-cd:1.1.0
+  image: griefed/gitlab-ci-cd:2.0.0
   services:
-    - name: griefed/gitlab-ci-cd:1.1.0
+    - name: griefed/gitlab-ci-cd:2.0.0
       alias: docker
   variables:
     project_name: $CI_PROJECT_NAME
@@ -82,7 +82,7 @@ Build Release:
   image: griefed/baseimage-ubuntu-jdk-8:2.0.1
   stage: Build Release
   services:
-    - name: griefed/gitlab-ci-cd:1.1.0
+    - name: griefed/gitlab-ci-cd:2.0.0
       alias: docker
   variables:
     project_name: $CI_PROJECT_NAME
@@ -162,7 +162,7 @@ pages:
   image: griefed/baseimage-ubuntu-jdk-8:2.0.1
   stage: Documentation
   services:
-    - name: griefed/gitlab-ci-cd:1.1.0
+    - name: griefed/gitlab-ci-cd:2.0.0
       alias: docker
   variables:
     project_name: $CI_PROJECT_NAME