Upgrade go version to 1.16 (jenkins-zh#599)

.github/workflows/backup.yaml

@@ -10,10 +10,10 @@ jobs:
   BackupBinary:
     runs-on: ubuntu-20.04
     steps:
-    - name: Set up Go 1.15
+    - name: Set up Go 1.16
       uses: actions/setup-go@v2.1.3
       with:
-        go-version: 1.15
+        go-version: 1.16
       id: go
     - uses: actions/checkout@v2.3.4
     - name: Upgrade upx
@@ -42,10 +42,10 @@ jobs:
     name: Test
     runs-on: ubuntu-20.04
     steps:
-      - name: Set up Go 1.15
+      - name: Set up Go 1.16
         uses: actions/setup-go@v2.1.3
         with:
-          go-version: 1.15
+          go-version: 1.16
         id: go
       - name: Check out code into the Go module directory
         uses: actions/checkout@v2.3.4

.github/workflows/e2e-test.yaml

@@ -16,10 +16,10 @@ jobs:
         os: [ubuntu-20.04, macos-10.15]
         jenkins_version: [2.190.1, 2.190.2, 2.190.3, 2.204.1]
     steps:
-      - name: Set up Go 1.15
+      - name: Set up Go 1.16
         uses: actions/setup-go@v2.1.3
         with:
-          go-version: 1.15
+          go-version: 1.16
         id: go
       - name: Check out code into the Go module directory
         uses: actions/checkout@v2.3.4

.github/workflows/pull-request.yaml

@@ -10,10 +10,10 @@ jobs:
     name: Build
     runs-on: ubuntu-20.04
     steps:
-      - name: Set up Go 1.15
+      - name: Set up Go 1.16
         uses: actions/setup-go@v2.1.3
         with:
-          go-version: 1.15
+          go-version: 1.16
         id: go
       - name: Check out code into the Go module directory
         uses: actions/checkout@v2.3.4
@@ -44,10 +44,10 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.15
+      - name: Set up Go 1.16
         uses: actions/setup-go@v2.1.3
         with:
-          go-version: 1.15
+          go-version: 1.16
         id: go
       - name: Check out code into the Go module directory
         uses: actions/checkout@v2.3.4
@@ -102,10 +102,10 @@ jobs:
     name: Test
     runs-on: ubuntu-20.04
     steps:
-      - name: Set up Go 1.15
+      - name: Set up Go 1.16
         uses: actions/setup-go@v2.1.3
         with:
-          go-version: 1.15
+          go-version: 1.16
         id: go
       - name: Check out code into the Go module directory
         uses: actions/checkout@v2.3.4

.github/workflows/release.yaml

@@ -16,7 +16,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2.1.3
       with:
-        go-version: 1.15.x
+        go-version: 1.16.x
     - name: Upgrade upx
       run: |
         # try to fix https://github.com/jenkins-zh/jenkins-cli/issues/493