My State changed my 2021 tax credit amount that was filed via TurboTax. Now, I need to change the amount on my 2022 return. How do I edit TurboxTax? It is grayed out.

You will need to amend your 2022 tax return if you have already filed. If you have already e-filed or mailed the return, then you will need to wait until the IRS/State has accepted or rejected that return before you can make any changes.  
If they reject it, then just make the needed changes and re-submit the return.  
If they accept it,  then you will need to wait until you have received your refund, if applicable, and then amend that return to make changes, if needed. Amended returns have to be printed and mailed in and take up to 16 weeks to be processed.   
If accepted, wait until you have received your refund (if applicable), then you can follow the instructions below on amending that return.  

• How do I amend my state tax return?
• Video: How to Amend Your Tax Return