migrate: drone CI to github actions

.drone.yml

@@ -1,11 +0,0 @@
----
-kind: pipeline
-type: docker
-name: default
-
-steps:
-- name: test
-  image: golang:1.13
-  commands:
-  - go get ./...
-  - go test -v -race -cover -coverprofile ./coverage.out ./...

.github/workflows/go.yml

@@ -0,0 +1,27 @@
+name: Go
+
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.16
+
+    - name: Build
+      run: go build -v ./...
+
+    - name: Test
+      run: go test -race -v ./... -cover