Update postCreateCommand to install golangci-lint version 2.1.6

Author: chrisreddington

.devcontainer/devcontainer.json

@@ -20,16 +20,17 @@
 				"golang.Go"
 			]
 		}
-	}
+	},
 
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	// "features": {},
 
+
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
 	// "forwardPorts": [],
 
 	// Use 'postCreateCommand' to run commands after the container is created.
-	// "postCreateCommand": "go version",
+	"postCreateCommand": "curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/HEAD/install.sh | sh -s -- -b $(go env GOPATH)/bin v2.1.6",
 
 	// Configure tool-specific properties.
 	// "customizations": {},