pip: bump pygount from 1.6.1 to 1.8.0 (#964)

Bumps [pygount](https://github.com/roskakori/pygount) from 1.6.1 to
1.8.0.

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

pip-requirements.txt

@@ -16,5 +16,5 @@ edk2-pytool-library==0.21.5
 edk2-pytool-extensions==0.27.4
 xmlschema==3.3.1
 regex==2024.5.10
-pygount==1.6.1
+pygount==1.8.0
 pywin32==306; sys_platform == 'win32'