Update go support to 1.16 and 1.17

.github/workflows/go.yml

@@ -0,0 +1,39 @@
+name: Go
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.16
+        go-version: 1.17
+
+    - name: Build
+      run: go build -v ./...
+
+    - name: Test
+      run: go test -v ./... -race -coverprofile=coverage.txt -covermode=atomic
+
+    - name: Upload coverage to Codecov
+      run: bash <(curl -s https://codecov.io/bash)
+
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          version: latest

go.mod

@@ -1,6 +1,6 @@
 module github.com/manifoldco/promptui
 
-go 1.12
+go 1.16
 
 require (
 	github.com/chzyer/logex v1.1.10 // indirect