Update component versions

ci_files/variables.yml

+---
 variables:
-  GITLAB_ELASTICSEARCH_INDEXER_VERSION: "master"
-  GITLAB_VERSION: "master"
-  GITLAB_REF_SLUG: "master"
-  GITLAB_ASSETS_TAG: "master"
-  GITLAB_EXPORTER_VERSION: "7.0.6"
-  GITLAB_SHELL_VERSION: "master"
-  GITLAB_WORKHORSE_VERSION: "master"
-  GITLAB_CONTAINER_REGISTRY_VERSION: "v2.9.1-gitlab"
-  GITALY_SERVER_VERSION: "master"
-  GIT_VERSION: "2.27.0"
-  GO_VERSION: "1.13.9"
-  KUBECTL_VERSION: "1.13.12"
-  PG_VERSION: "12.3"
-  MAILROOM_VERSION: "0.0.6"
-  ALPINE_VERSION: "3.10"
-  CFSSL_VERSION: "1.2"
+  GITLAB_ELASTICSEARCH_INDEXER_VERSION: v2.3.0
+  GITLAB_VERSION: 575a7866cc00c8871d5a76d3d8c0cb15ced2ea1d
+  GITLAB_REF_SLUG: master
+  GITLAB_ASSETS_TAG: 575a7866cc00c8871d5a76d3d8c0cb15ced2ea1d
+  GITLAB_EXPORTER_VERSION: 7.0.6
+  GITLAB_SHELL_VERSION: v13.3.0
+  GITLAB_WORKHORSE_VERSION: v8.36.0
+  GITLAB_CONTAINER_REGISTRY_VERSION: v2.9.1-gitlab
+  GITALY_SERVER_VERSION: 78bae4e991b064281fd455c9ddc4f687be5b91eb
+  GIT_VERSION: 2.27.0
+  GO_VERSION: 1.13.9
+  KUBECTL_VERSION: 1.13.12
+  PG_VERSION: '12.3'
+  MAILROOM_VERSION: 0.0.6
+  ALPINE_VERSION: '3.10'
+  CFSSL_VERSION: '1.2'
   DOCKER_DRIVER: overlay2
   DOCKER_HOST: tcp://docker:2375
-  DOCKER_TLS_CERTDIR: ""
-  ASSETS_IMAGE_PREFIX: "gitlab-assets"
-  ASSETS_IMAGE_REGISTRY_PREFIX: "registry.gitlab.com/gitlab-org"
-  GITLAB_NAMESPACE: "gitlab-org"
-  CE_PROJECT: "gitlab-foss"
-  EE_PROJECT: "gitlab"
-  COMPILE_ASSETS: "false"
-  S3CMD_VERSION: "2.1.0"
-  PYTHON_VERSION: "3.7.3"
-
-## Note
-# Variables ASSETS_IMAGE_REGISTRY_PREFIX, GITLAB_NAMESPACE and CE_PROJECT are
-# overridden in the mirror of this project in dev.gitlab.org to match their dev
-# counterpart locations.
+  DOCKER_TLS_CERTDIR: ''
+  ASSETS_IMAGE_PREFIX: gitlab-assets
+  ASSETS_IMAGE_REGISTRY_PREFIX: registry.gitlab.com/gitlab-org
+  GITLAB_NAMESPACE: gitlab-org
+  CE_PROJECT: gitlab-foss
+  EE_PROJECT: gitlab
+  COMPILE_ASSETS: 'false'
+  S3CMD_VERSION: 2.1.0
+  PYTHON_VERSION: 3.7.3
+  GITLAB_PAGES_VERSION: v1.19.0