Update VS Code Go extension ID

Author: pellared

.devcontainer/devcontainer.json

@@ -15,7 +15,7 @@
 	},
 	// Add the IDs of extensions you want installed when the container is created.
 	"extensions": [
-		"ms-vscode.go"
+		"golang.Go"
 	],
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
 	// "forwardPorts": [],

.vscode/extensions.json

@@ -1,5 +1,5 @@
 {
     "recommendations": [
-        "ms-vscode.go"
+        "golang.Go"
     ]
 }