Adding upstream version 3.6.2.

Signed-off-by: Daniel Baumann <daniel@debian.org>

.github/workflows/go-test.yml

@@ -0,0 +1,37 @@
+name: unit tests
+
+on:
+  pull_request:
+  push:
+    branches: [master]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        go: 
+          - '1.8'
+          - '1.9.x'
+          - '1.10.x'
+          - '1.11.x'
+          - '1.12.x'
+          - '1.13.x'
+          - '1.14.x'
+          - '1.15.x'
+    
+    name: Go ${{ matrix.go }}
+    steps:
+    - name: Set up Go ${{ matrix.go }}
+      uses: actions/setup-go@v1
+      with:
+        go-version: ${{ matrix.go }}
+      id: go
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v1
+
+    - name: Test
+      run: go test ./... -v