[Feature Request] Explore targetting net9

### MSAL client type

Confidential

### Problem statement

Explore if MSAL is faster if built against .NET 9. 

### Setup 1: 
- app is net9
- MSAL has net9 tfm

### Setup 2: 
- app is net9
- MSAL has net8 tfm (not net9)



### Proposed solution

_No response_

### Alternatives

_No response_