Merge pull request #728 from devlights:bump-go-version

Bump Go version to 1.21.6

Author: devlights

.gitpod.Dockerfile

@@ -1,6 +1,6 @@
 FROM gitpod/workspace-base:latest
 
-ENV GO_VERSION=1.21.5
+ENV GO_VERSION=1.21.6
 
 # For ref, see: https://github.com/gitpod-io/workspace-images/blob/61df77aad71689504112e1087bb7e26d45a43d10/chunks/lang-go/Dockerfile#L10
 ENV GOPATH=$HOME/go-packages