vscode: groupd updates-related config under updates section as per @matklad

Author: Veetaha

docs/user/readme.adoc

@@ -53,7 +53,7 @@ To disable this notification put the following to `settings.json`
 
 [source,json]
 ----
-{ "rust-analyzer.askBeforeDownload": false }
+{ "rust-analyzer.updates.askBeforeDownload": false }
 ----
 ====
 

editors/code/package.json

@@ -219,7 +219,7 @@
                         }
                     }
                 },
-                "rust-analyzer.askBeforeDownload": {
+                "rust-analyzer.updates.askBeforeDownload": {
                     "type": "boolean",
                     "default": true,
                     "description": "Whether to ask for permission before downloading any files from the Internet"

editors/code/src/config.ts

@@ -134,7 +134,7 @@ export class Config {
             file: prebuiltBinaryName,
             storage: this.ctx.globalState,
             tag: Config.extensionVersion,
-            askBeforeDownload: this.cfg.get("askBeforeDownload") as boolean,
+            askBeforeDownload: this.cfg.get("updates.askBeforeDownload") as boolean,
             repo: {
                 name: "rust-analyzer",
                 owner: "rust-analyzer",