Update CI to test with Ruby v2.6.6

Part of https://gitlab.com/gitlab-org/gitlab/-/issues/198579

.gitlab-ci.yml

@@ -15,7 +15,7 @@ stages:
 # in cases where jobs require Docker-in-Docker, the job
 # definition must be extended with `.use-docker-in-docker`
 default:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
   tags:
     - gitlab-org
   # All jobs are interruptible by default

.gitlab/ci/frontend.gitlab-ci.yml

@@ -15,7 +15,7 @@
     - .default-retry
     - .default-before_script
     - .assets-compile-cache
-  image: registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-graphicsmagick-1.3.34-docker-19.03.1
+  image: registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-graphicsmagick-1.3.34-docker-19.03.1
   stage: prepare
   variables:
     NODE_ENV: "production"

.gitlab/ci/global.gitlab-ci.yml

@@ -21,7 +21,7 @@
 # Jobs that only need to pull cache
 .default-cache:
   cache:
-    key: "debian-stretch-ruby-2.6.5-pg11-node-12.x"
+    key: "debian-stretch-ruby-2.6.6-pg11-node-12.x"
     paths:
       - .go/pkg/mod
       - vendor/ruby
@@ -30,7 +30,7 @@
     policy: pull
 
 .use-pg9:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
   services:
     - name: postgres:9.6.17
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -38,10 +38,10 @@
   variables:
     POSTGRES_HOST_AUTH_METHOD: trust
   cache:
-    key: "debian-stretch-ruby-2.6.5-pg9-node-12.x"
+    key: "debian-stretch-ruby-2.6.6-pg9-node-12.x"
 
 .use-pg10:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-10-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-10-graphicsmagick-1.3.34"
   services:
     - name: postgres:10.12
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -49,10 +49,10 @@
   variables:
     POSTGRES_HOST_AUTH_METHOD: trust
   cache:
-    key: "debian-stretch-ruby-2.6.5-pg10-node-12.x"
+    key: "debian-stretch-ruby-2.6.6-pg10-node-12.x"
 
 .use-pg11:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34"
   services:
     - name: postgres:11.6
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -60,10 +60,10 @@
   variables:
     POSTGRES_HOST_AUTH_METHOD: trust
   cache:
-    key: "debian-stretch-ruby-2.6.5-pg11-node-12.x"
+    key: "debian-stretch-ruby-2.6.6-pg11-node-12.x"
 
 .use-pg9-ee:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
   services:
     - name: postgres:9.6.17
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -72,10 +72,10 @@
   variables:
     POSTGRES_HOST_AUTH_METHOD: trust
   cache:
-    key: "debian-stretch-ruby-2.6.5-pg9-node-12.x"
+    key: "debian-stretch-ruby-2.6.6-pg9-node-12.x"
 
 .use-pg10-ee:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-10-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-10-graphicsmagick-1.3.34"
   services:
     - name: postgres:10.12
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -84,10 +84,10 @@
   variables:
     POSTGRES_HOST_AUTH_METHOD: trust
   cache:
-    key: "debian-stretch-ruby-2.6.5-pg10-node-12.x"
+    key: "debian-stretch-ruby-2.6.6-pg10-node-12.x"
 
 .use-pg11-ee:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34"
   services:
     - name: postgres:11.6
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -96,7 +96,7 @@
   variables:
     POSTGRES_HOST_AUTH_METHOD: trust
   cache:
-    key: "debian-stretch-ruby-2.6.5-pg11-node-12.x"
+    key: "debian-stretch-ruby-2.6.6-pg11-node-12.x"
 
 # Pin kaniko to v0.16.0 due to https://github.com/GoogleContainerTools/kaniko/issues/1162
 .use-kaniko:

.gitlab/ci/rails.gitlab-ci.yml

@@ -55,7 +55,7 @@ static-analysis:
   script:
     - scripts/static-analysis
   cache:
-    key: "ruby-2.6.5-pg9-rubocop"
+    key: "ruby-2.6.6-pg9-rubocop"
     paths:
       - vendor/ruby
       - tmp/rubocop_cache