build(docs-infra): upgrade cli command docs sources to 6ccbc6b4c (angular#48076)

Updating [angular#main](https://github.com/angular/angular/tree/main) from
[cli-builds#main](https://github.com/angular/cli-builds/tree/main).

##
Relevant changes in
[commit range](angular/cli-builds@23b229e...6ccbc6b):

**Modified**
- help/build.json
- help/generate.json

##
Relevant changes in
[commit range](angular/cli-builds@22d1977...6ccbc6b) since PR angular#48018:

**Modified**
- help/build.json

##
Closes angular#48018

PR Close angular#48076

Author: gkalpak

aio/package.json

@@ -19,7 +19,7 @@
     "build-local": "yarn ~~build",
     "prebuild-local-ci": "yarn setup-local-ci",
     "build-local-ci": "yarn ~~build --progress=false",
-    "extract-cli-command-docs": "node tools/transforms/cli-docs-package/extract-cli-commands.js 23b229e89",
+    "extract-cli-command-docs": "node tools/transforms/cli-docs-package/extract-cli-commands.js 6ccbc6b4c",
     "lint": "yarn check-env && yarn docs-lint && ng lint && yarn example-lint && yarn tools-lint && yarn security-lint",
     "test": "yarn check-env && ng test",
     "test:bazel": "bazelisk test //aio:test",