PowerShell Universal 2.6.1

We are releasing 2.6.1 because many users are encountering an issue where the server does not start completely while attempting to read secrets. There are still some users experiencing a crash with the service that we are still investigating. The release will be available in the next 30 minutes.

## Changed

### Automation 

- Fixed an issue where PSCredential parameters would not be passed correctly to scripts

### Platform 

- Changed the default web.config setting back to OutOfProcess
- Fixed an issue where InProcess hosting in IIS would not work
- Fixed an issue where the service could hang during startup 
- Fixed an issue where creating a secret could throw an error