chore: bump up Go to 1.16 (#861)

* chore: bump up Go to 1.16

* chore(release): support darwin/arm64

.github/workflows/release.yaml

@@ -4,7 +4,7 @@ on:
     tags:
       - "v*"
 env:
-  GO_VERSION: "1.15"
+  GO_VERSION: "1.16"
   GH_USER: "aqua-bot"
 jobs:
   release:

.github/workflows/test.yaml

@@ -1,5 +1,7 @@
 name: Test
 on: pull_request
+env:
+  GO_VERSION: "1.16"
 jobs:
   test:
     name: Test
@@ -28,7 +30,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v1
       with:
-        go-version: 1.15.x
+        go-version: ${{ env.GO_VERSION }}
       id: go
 
     - name: Check out code into the Go module directory
@@ -47,7 +49,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v1
       with:
-        go-version: 1.15.x
+        go-version: ${{ env.GO_VERSION }}
 
     - name: Run GoReleaser
       uses: goreleaser/goreleaser-action@v1

go.mod

@@ -1,6 +1,6 @@
 module github.com/aquasecurity/trivy
 
-go 1.15
+go 1.16
 
 require (
 	github.com/Masterminds/goutils v1.1.0 // indirect

goreleaser.yml

@@ -25,9 +25,6 @@ builds:
     ignore:
       - goos: darwin
         goarch: 386
-      # TODO: bump up Go to 1.16
-      - goos: darwin
-        goarch: arm64
 
 nfpms:
   -