Replace from CircleCI to GitHubActions

Author: w-masahiro-ct

.circleci/config.yml

@@ -0,0 +1,24 @@
+name: Lint
+on:
+  pull_request:
+    paths:
+      - '.github/workflows/lint.yml'
+      - '.rubocop.yml'
+      - 'Gemfile*'
+      - 'Rakefile'
+      - 'fluent-plugin-kubernetes_metadata_filter.gemspec'
+      - '**/*.rb'
+permissions:
+  contents: read
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7
+          bundler-cache: true
+      - name: RuboCop
+        run: bundle exec rake rubocop

.github/workflows/lint.yml

@@ -0,0 +1,40 @@
+name: Test
+on:
+  pull_request:
+    paths:
+      - '.github/workflows/test.yml'
+      - 'Gemfile*'
+      - 'Rakefile'
+      - 'fluent-plugin-kubernetes_metadata_filter.gemspec'
+      - '**/*.rb'
+permissions:
+  contents: read
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby-version:
+          - '2.7'
+          - '3.0'
+          - '3.1'
+          - '3.2'
+          - '3.3'
+          - '3.4'
+          - 'ruby-head'
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+          bundler-cache: true
+      - name: Run tests
+        run: bundle exec rake test
+      - name: Upload coverage results
+        if: matrix.ruby-version == '2.7'
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage
+          path: coverage/

.github/workflows/test.yml

@@ -16,7 +16,7 @@ Gem::Specification.new do |spec|
   gemspec = File.basename(__FILE__)
   spec.files = IO.popen(['git', 'ls-files', '-z'], chdir: __dir__, err: IO::NULL) do |ls|
     ls.readlines("\x0", chomp: true).reject do |f|
-      (f == gemspec) || f.start_with?('coverage/', 'test/', '.git', '.circleci', '.rubocop.yml', 'Gemfile')
+      (f == gemspec) || f.start_with?('coverage/', 'test/', '.git', '.rubocop.yml', 'Gemfile')
     end
   end