fix(@angular/cli): add --version option

This commit introduces the `--version` option, which will display the Angular CLI version when using `ng --version`.

Closes #27668

(cherry picked from commit 386d766)

Author: alan-agius4

packages/angular/cli/src/command-builder/command-runner.ts

@@ -19,6 +19,7 @@ import { colors } from '../utilities/color';
 import { AngularWorkspace, getWorkspace } from '../utilities/config';
 import { assertIsError } from '../utilities/error';
 import { PackageManagerUtils } from '../utilities/package-manager';
+import { VERSION } from '../utilities/version';
 import { CommandContext, CommandModuleError } from './command-module';
 import {
   CommandModuleConstructor,
@@ -122,7 +123,7 @@ export async function runCommand(args: string[], logger: logging.Logger): Promis
     .demandCommand(1, demandCommandFailureMessage)
     .recommendCommands()
     .middleware(normalizeOptionsMiddleware)
-    .version(false)
+    .version('version', 'Show Angular CLI version.', VERSION.full)
     .showHelpOnFail(false)
     .strict()
     .fail((msg, err) => {

tests/legacy-cli/e2e/tests/commands/help/help-json.ts

@@ -36,6 +36,11 @@ export default async function () {
         'description': 'If provided, a new value for the given configuration key.',
         'positional': 1,
       },
+      {
+        'name': 'version',
+        'type': 'boolean',
+        'description': 'Show Angular CLI version.',
+      },
     ],
   });