pip: bump pygount from 1.6.1 to 1.8.0 (#271)

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

@@ -17,4 +17,4 @@ edk2-pytool-extensions==0.27.4
 antlr4-python3-runtime==4.13.1
 regex==2024.5.10
 lcov-cobertura==2.0.2
-pygount==1.6.1
+pygount==1.8.0