Merge pull request #2808 from kolyshkin/go116-final

Author: AkihiroSuda

.github/workflows/test.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go-version: [1.14.x, 1.15.x, 1.16.0-rc1]
+        go-version: [1.14.x, 1.15.x, 1.16.x]
         rootless: ["rootless", ""]
 
     steps: