Add setting for the PackageManagement update feature (#2651)

Co-authored-by: Tyler Leonhardt (POWERSHELL) <tyleonha@microsoft.com>

Author: TylerLeonhardt

package.json

@@ -555,6 +555,11 @@
           "description": "Specifies whether you should be prompted to update your version of PowerShell.",
           "default": true
         },
+        "powershell.promptToUpdatePackageManagement": {
+          "type": "boolean",
+          "description": "Specifies whether you should be prompted to update your version of PackageManagement if it's under 1.4.6.",
+          "default": true
+        },
         "powershell.startAsLoginShell.osx": {
           "type": "boolean",
           "default": true,

src/settings.ts

@@ -81,6 +81,7 @@ export interface ISettings {
     // This setting is no longer used but is here to assist in cleaning up the users settings.
     powerShellExePath?: string;
     promptToUpdatePowerShell?: boolean;
+    promptToUpdatePackageManagement?: boolean;
     bundledModulesPath?: string;
     startAsLoginShell?: IStartAsLoginShellSettings;
     startAutomatically?: boolean;
@@ -201,6 +202,8 @@ export function load(): ISettings {
             configuration.get<string>("powerShellExePath", undefined),
         promptToUpdatePowerShell:
             configuration.get<boolean>("promptToUpdatePowerShell", true),
+        promptToUpdatePackageManagement:
+            configuration.get<boolean>("promptToUpdatePackageManagement", true),
         bundledModulesPath:
             "../../modules",
         useX86Host: