Update setuptools to 80.8.0

Author: Bernd Gassmann

.github/workflows/requirements.txt

@@ -7,7 +7,7 @@ pygccxml==2.6.0
 Pygments==2.18.0
 pymdown-extensions==10.12
 pyplusplus==1.8.5
-setuptools==75.1.0
+setuptools==80.8.0
 six==1.16.0
 testresources==2.0.1
 unittest-xml-reporting==3.2.0