build(docs-infra): upgrade cli command docs sources to b50950b97 (#26915)

[Changed files](https://github.com/angular/cli-builds/compare/4faa81e25...b50950b97):

        - help/add.json

- help/build.json

- help/config.json

- help/doc.json

- help/e2e.json

- help/eject.json

- help/generate.json

- help/get.json

- help/help.json

- help/lint.json

- help/make-this-awesome.json

- help/new.json

- help/run.json

- help/serve.json

- help/set.json

- help/test.json

- help/update.json

- help/version.json

- help/xi18n.json

PR Close #26915

aio/package.json

@@ -18,7 +18,7 @@
     "build-for": "yarn ~~build --configuration",
     "prebuild-local": "yarn setup-local",
     "build-local": "yarn ~~build --configuration=stable",
-    "extract-cli-command-docs": "node tools/transforms/cli-docs-package/extract-cli-commands.js 4faa81e25",
+    "extract-cli-command-docs": "node tools/transforms/cli-docs-package/extract-cli-commands.js b50950b97",
     "lint": "yarn check-env && yarn docs-lint && ng lint && yarn example-lint && yarn tools-lint",
     "test": "yarn check-env && ng test",
     "pree2e": "yarn check-env && yarn update-webdriver",