message: docs: change `aio` scope to `docs-infra`
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  PR Close
diff: @@ -227,10 +227,15 @@ The following is the list of supported scopes:
  There are currently a few exceptions to the "use package name" rule:
  -* **packaging**: used for changes that change the npm package layout in all of our packages, e.g. public path changes, package.json changes done to all packages, d.ts file/format changes, changes to bundles, etc.
  +* **packaging**: used for changes that change the npm package layout in all of our packages, e.g.
  + public path changes, package.json changes done to all packages, d.ts file/format changes, changes
  + to bundles, etc.
  * **changelog**: used for updating the release notes in CHANGELOG.md
  -* **aio**: used for docs-app (angular.io) related changes within the /aio directory of the repo
  -* none/empty string: useful for `style`, `test` and `refactor` changes that are done across all packages (e.g. `style: add missing semicolons`)
  +* **docs-infra**: used for docs-app (angular.io) related changes within the /aio directory of the
  + repo
  +* none/empty string: useful for `style`, `test` and `refactor` changes that are done across all
  + packages (e.g. `style: add missing semicolons`) and for docs changes that are not related to a
  + specific package (e.g. `docs: fix typo in tutorial`).
  ### Subject
  The subject contains a succinct description of the change:
  