pip: bump edk2-pytool-extensions from 0.21.8 to 0.22.0 (#373)

Bumps
[edk2-pytool-extensions](https://github.com/tianocore/edk2-pytool-extensions)
from 0.21.8 to 0.22.0.

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pip-requirements.txt

@@ -13,6 +13,6 @@
 ##
 
 edk2-pytool-library==0.14.0
-edk2-pytool-extensions==0.21.8
+edk2-pytool-extensions==0.22.0
 xmlschema==2.2.1
 regex==2022.10.31