Migrate Lint job from CircleCI to Github Action

.circleci/config.yml

@@ -151,22 +151,6 @@ step_bundle_install: &step_bundle_install
       else
         echo "All required gems were found in cache."
       fi
-step_rubocop: &step_rubocop
-  run:
-    name: Delint with Rubocop
-    # There's no straightforward way to get the number of available processors & CPU threads in CircleCI.
-    # Currently it always return 18 physical processors and 36 threads, regardless of executor size.
-    # The workaround is to use `cpu.shares / 1024`:
-    # https://discuss.circleci.com/t/environment-variable-set-to-the-number-of-available-cpus/32670/4
-    command: PARALLEL_PROCESSOR_COUNT=$((`cat /sys/fs/cgroup/cpu/cpu.shares` / 1024)) bundle exec rake rubocop
-step_standardrb: &step_standardrb
-  run:
-    name: Delint with Standardrb
-    # There's no straightforward way to get the number of available processors & CPU threads in CircleCI.
-    # Currently it always return 18 physical processors and 36 threads, regardless of executor size.
-    # The workaround is to use `cpu.shares / 1024`:
-    # https://discuss.circleci.com/t/environment-variable-set-to-the-number-of-available-cpus/32670/4
-    command: PARALLEL_PROCESSOR_COUNT=$((`cat /sys/fs/cgroup/cpu/cpu.shares` / 1024)) bundle exec rake standard
 step_appraisal_install: &step_appraisal_install
   run:
     name: Install Appraisal gems
@@ -375,17 +359,6 @@ orbs:
               root: .
               paths:
                 - coverage
-      lint:
-        <<: *test_job_default
-        steps:
-          - restore_cache:
-              keys:
-                - '{{ .Environment.CIRCLE_CACHE_VERSION }}-bundled-repo-<<parameters.ruby_version>>-{{ .Environment.CIRCLE_SHA1 }}'
-          - restore_cache:
-              keys:
-                - bundle-{{ .Environment.CIRCLE_CACHE_VERSION }}-{{ checksum ".circleci/images/primary/binary_version" }}-<<parameters.ruby_version>>-{{ checksum "lib/datadog/version.rb" }}-{{ .Branch }}-{{ checksum ".circleci/bundle_checksum" }}
-          - *step_rubocop
-          - *step_standardrb
       coverage:
         <<: *test_job_default
         steps:
@@ -513,11 +486,6 @@ workflows:
   version: 2
   build-and-test:
     jobs:
-      - orb/lint:
-          <<: *config-2_7-small
-          name: lint
-          requires:
-            - build-2.7
       - orb/coverage:
           <<: *config-2_7-small
           name: coverage

.github/workflows/check.yml

@@ -1,20 +1,27 @@
 name: Check
 on:
   push:
-    branches: [ '**' ]
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ '**' ]
+
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/datadog/images-rb/engines/ruby:3.2
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install dependencies
+        run: bundle install
+      - run: bundle exec rake rubocop standard
+
   check:
     name: Check types
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/datadog/images-rb/engines/ruby:3.2
     steps:
       - uses: actions/checkout@v4
-      - uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: '3.2'
-          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+      - name: Install dependencies
+        run: bundle install
       - name: Check for stale signature files
         run: bundle exec rake rbs:stale
       - name: Check for missing signature files