ci: Migrate to GH workflows

.github/workflows/release.yml

@@ -0,0 +1,28 @@
+name: goreleaser
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.18.x
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test.yml

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+name: Test
+on: [push, pull_request]
+jobs:
+  test:
+    name: Test
+    strategy:
+      matrix:
+        go-version: [1.17.x, 1.18.x]
+        platform: [ubuntu-latest]
+    runs-on: ${{matrix.platform}}
+    steps:
+      - name: Set up Go ${{matrix.go-version}}
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{matrix.go-version}}
+        id: go
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+
+      - name: Download Go modules
+        run: go mod download
+        env:
+          GOPROXY: https://proxy.golang.org
+
+      - name: Build
+        run: go build -o ./bin/task -v ./cmd/task
+
+      - name: Test
+        run: ./bin/task test