ci: add test workflow with race detector and staticcheck

.github/workflows/test.yml

@@ -0,0 +1,22 @@
+name: test
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: ["1.24", "1.26"]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go-version }}
+      - run: go test -race -count=1 ./...
+      - run: go vet ./...
+      - run: go install honnef.co/go/tools/cmd/staticcheck@latest && staticcheck ./...