docs: updates release documentation to include latest-versions/package.json and clarify what can be done in the release PR

Author: dgp1130

docs/process/release.md

@@ -74,6 +74,7 @@ Releasing is performed using Angular's unified release tooling. Each week, two r
 After FW releases `-rc.0` for an upcoming minor/major version, update the corresponding version in:
 
 - [`latest-versions.ts`](/packages/schematics/angular/utility/latest-versions.ts#L=18)
+- [`latest-versions/package.json`](/packages/schematics/angular/utility/latest-versions/package.json)
 - [`@angular-devkit/build-angular`](/packages/angular_devkit/build_angular/package.json)
 - [`@ngtools/webpack`](/packages/ngtools/webpack/package.json)
 
@@ -86,18 +87,7 @@ which lands after FW releases (or else CI will fail) but _before_ the CLI releas
 built before the PR is sent for review, so any changes after that point won't be included in the
 release.
 
-**For a major release:**
-
-**As part of the release PR**, make sure to:
-
-- modify
-  [`latest-versions.ts`](https://github.com/angular/angular-cli/blob/main/packages/schematics/angular/utility/latest-versions.ts#L18)
-  so the Angular semver is updated from `~13.0.0-rc` to just `~13.0.0`.
-  - This is the version generated in `ng new` schematics and needs to be updated to avoid having
-    users generate projects with `-rc` in the dependencies.
-- update the
-  [`ng-packagr`](https://github.com/angular/angular-cli/blob/main/packages/schematics/angular/utility/latest-versions/package.json#L15)
-  dependency to a stable version (ex. from `^13.0.0-next.0` to `^13.0.0`).
+**Following a major release:**
 
 When a release is transitioning from a prerelease to a stable release, the semver ranges for Angular
 dependencies within the packages' `package.json` files will need to be updated to remove the