test python 12.7, setuptools 75.1 and patch gosam to overcome doistutils issues

cmake/toolchain/heptools-dev3python312.cmake

@@ -4,7 +4,7 @@ include(heptools-dev3)
 #
 #py312
 #
-LCG_external_package(Python             3.12.4                          )
+LCG_external_package(Python             3.12.7                          )
 #
 # temporary remove package professor until generators toolchain ins fixed
 LCG_remove_package(professor)
@@ -94,9 +94,10 @@ LCG_external_package(widgetsnbextension		4.0.11			)
 LCG_external_package(onnxruntime		1.18.1			)
 LCG_external_package(arrow			17.0.0			)
 LCG_external_package(pyarrow			17.0.0			)
+LCG_external_package(setuptools			75.1.0 			)
 LCG_external_package(setuptools_scm		8.1.0 			)
 LCG_external_package(jupyter_server		2.14.2			)
 LCG_external_package(jupyter_contrib_core 	0.4.2			)
 LCG_external_package(torch			2.4.0	                )
 LCG_external_package(send2trash        		1.8.3                   )
-
+LCG_external_package(astropy			6.1.4                   )

generators/Herwig3.cmake

@@ -53,7 +53,7 @@ LCGPackage_Add(
   INSTALL_COMMAND ${PYTHON} setup.py install --prefix=<INSTALL_DIR>
           COMMAND chmod -R go+r <INSTALL_DIR>
   BUILD_IN_SOURCE 1
-  DEPENDS gosam_contrib qgraf FORM Python
+  DEPENDS gosam_contrib qgraf FORM Python setuptools
 )