chore: add Github Actions files

.github/dependabot.yml

@@ -0,0 +1,16 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+    commit-message:
+      prefix: chore
+      include: scope
+  - package-ecosystem: gomod
+    directory: /
+    schedule:
+      interval: weekly
+    commit-message:
+      prefix: chore
+      include: scope

.github/workflows/test.yml

@@ -0,0 +1,27 @@
+name: test
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+jobs:
+  test:
+    name: Run tests
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go: ["1.19.x", "1.20.x", "1.21.x"]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+      - name: Setup Go ${{ matrix.go }}
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go }}
+      - name: Run Go tests
+        run: |
+          go test -v ./...