migrate to github CI

Author: Fivell

.github/workflows/build.yml

@@ -0,0 +1,35 @@
+name: CI
+on:
+  pull_request:
+    branches:
+    - master
+  push:
+    branches:
+    - master
+jobs:
+  test:
+    name: Tests with Ruby ${{ matrix.ruby-version }} Rails ${{ matrix.rails }}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby-version:
+        - 3.1
+        - 3.2
+        - 3.3
+        - 3.4
+        rails:
+        - '7.0.0'
+        - '7.1.0'
+        - '7.2.0'
+        - '8.0.0'
+    env:
+      RAILS_VERSION: ${{ matrix.rails }}
+    steps:
+    - uses: actions/checkout@v3
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+        bundler-cache: true
+    - name: Run tests
+      run: |
+        bundle exec rake