Update to the latest msal.js version

[danroth27]

It looks like we're currently shipping the latest 2.x of msal.js to support Blazor WebAssembly apps, but the latest version is 4.22.1. We should consider updating.

@joperezr @jmprieur

[MackinnonBuck]

As part of addressing this, we should check if #61960 is fixed.

[danroth27]

msal.js migration guides:

• v2 -> v3: microsoft-authentication-library-for-js/lib/msal-browser/docs/v2-migration.md at dev · AzureAD/micr…
• v3 -> v4: microsoft-authentication-library-for-js/lib/msal-browser/docs/v3-migration.md at dev · AzureAD/micr…
• v4 - v5 (preliminary): microsoft-authentication-library-for-js/lib/msal-browser/docs/v4-migration.md at msal-v5 · AzureAD/…