Upgrade default QEMU to v9.0.0

[kuqin12]

Description

v9.0.0 fixed a few known issues blocking us from upgrading to QEMU of later than v7.2.0.

This change is made to upgrade the default QEMU to v9.0.0 to intake the latest release.

• Impacts functionality?
  • Functionality - Does the change ultimately impact how firmware functions?
  • Examples: Add a new library, publish a new PPI, update an algorithm, ...
• Impacts security?
  • Security - Does the change have a direct security impact on an application,
    flow, or firmware?
  • Examples: Crypto algorithm change, buffer overflow fix, parameter
    validation improvement, ...
• Breaking change?
  • Breaking change - Will anyone consuming this change experience a break
    in build or boot behavior?
  • Examples: Add a new library class, move a module to a different repo, call
    a function in a new library class in a pre-existing module, ...
• Includes tests?
  • Tests - Does the change include any explicit test code?
  • Examples: Unit tests, integration tests, robot tests, ...
• Includes documentation?
  • Documentation - Does the change contain explicit documentation additions
    outside direct code modifications (and comments)?
  • Examples: Update readme file, add feature readme file, link to documentation
    on an a separate Web page, ...

How This Was Tested

This change is tested locally on Windows and WSL environment.

Integration Instructions

Existing clones will need to perform PlatformBuild.py --update to download the latest version of QEMU.

[Javagedes]

We may want to consider adding a warning to qemu runner if the running version of qemu is less that v9.0.0 that users may experience issues and that they should upgrade to 9.0.0 or greater. Just a thought though.