ng add gives errors with a before parameter in the .npmrc file

[cherezovvv]

Command

add

Is this a regression?

• Yes, this behavior used to work in the previous version

The previous version in which this bug was not present was

No response

Description

For before parameter in npm config, value is of type string, for example before = 2023-02-09T08:45:22.778Z.
packument function of pacote package, expects before as js Date type.
It seems to me that it is necessary to add a date type conversion in the normalizeOptions function in packages/angular/cli/src/utilities/package-metadata.ts

Minimal Reproduction

1. Add before parameter to npm config (.npmrc file) - before = 2023-02-09T08:45:22.778Z
2. Run script ng add @angular/material

Exception or Error

`Unable to load package information from registry: this.before.toISOString is not a function`

Your Environment

Angular CLI: 13.2.5
Node: 16.14.0
Package Manager: npm 8.3.1
OS: linux x64
Package                         Version
---------------------------------------------------------
@angular-devkit/architect       0.1302.5
@angular-devkit/build-angular   13.2.5
@angular-devkit/core            13.2.5
@angular-devkit/schematics      13.2.5
@angular/cli                    13.2.5
@schematics/angular             13.2.5
rxjs                            7.5.4
typescript                      4.5.5

Anything else relevant?

No response

[angular-automatic-lock-bot]

This issue has been automatically locked due to inactivity.
Please file a new issue if you are encountering a similar or related problem.

Read more about our automatic conversation locking policy.

_{This action has been performed automatically by a bot.}