Update Auto DevOps docker version to 19.03.8

changelogs/unreleased/update-docker-to-19-03-8-in-auto-devops.yml

+---
+title: Update Auto DevOps docker version to 19.03.8
+merge_request: 29081
+author:
+type: changed

lib/gitlab/ci/templates/Jobs/Browser-Performance-Testing.gitlab-ci.yml

 performance:
   stage: performance
-  image: docker:19.03.5
+  image: docker:19.03.8
   allow_failure: true
   variables:
     DOCKER_TLS_CERTDIR: ""
   services:
-    - docker:19.03.5-dind
+    - docker:19.03.8-dind
   script:
     - |
       if ! docker info &>/dev/null; then

lib/gitlab/ci/templates/Jobs/Build.gitlab-ci.yml

 build:
   stage: build
-  image: "registry.gitlab.com/gitlab-org/cluster-integration/auto-build-image:v0.2.0"
+  image: "registry.gitlab.com/gitlab-org/cluster-integration/auto-build-image:v0.2.1"
   variables:
     DOCKER_TLS_CERTDIR: ""
   services:
-    - docker:19.03.5-dind
+    - docker:19.03.8-dind
   script:
     - |
       if [[ -z "$CI_COMMIT_TAG" ]]; then

lib/gitlab/ci/templates/Jobs/Code-Quality.gitlab-ci.yml

 code_quality:
   stage: test
-  image: docker:19.03.5
+  image: docker:19.03.8
   allow_failure: true
   services:
-    - docker:19.03.5-dind
+    - docker:19.03.8-dind
   variables:
     DOCKER_DRIVER: overlay2
     DOCKER_TLS_CERTDIR: ""