Add CI workflow (#282)

* Add CI workflow

* Fix some task names

* Change job name

* Fix rake command

* Further update job name for clarity

* Add color

* Remove tty

* Remove Travis CI config

---------

Co-authored-by: Matthew Thornton <[email protected]>

.github/workflows/ci.yml

@@ -0,0 +1,36 @@
+name: Specs, linting, and security checks
+
+on:
+  workflow_dispatch:
+  pull_request:
+    types: [opened, reopened, synchronize]
+
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  FORCE_COLOR: "1"
+
+jobs:
+  rspec_rubocop_bundle-audit:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+
+      - name: Build dependencies
+        run: bundle exec rake tests:prepare
+
+      - name: Run tests
+        run: bundle exec rake spec
+
+      - name: Run security checks
+        run: bundle exec rake security
+
+      - name: Run linter
+        run: bundle exec rake rubocop