adjust Makefile.dist and setup.py

Author: pdobsan

Makefile.dist

@@ -27,7 +27,7 @@ endif
 tools:
 	$(PIP) install --upgrade --requirement requirements.dist
 
-packages: pynauty tests docs
+packages: tools pynauty tests docs
 	$(MAKE) clean-nauty
 ifndef GITHUB_ACTIONS
 	$(PYTHON) setup.py sdist

setup.py

@@ -21,10 +21,10 @@
     'Operating System :: POSIX :: Linux',
     'Operating System :: Unix',
     'Programming Language :: Python',
-    'Programming Language :: Python :: 3.7',
     'Programming Language :: Python :: 3.8',
     'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
+    'Programming Language :: Python :: 3.12',
     'Programming Language :: C',
     'Topic :: Scientific/Engineering',
     'Topic :: Scientific/Engineering :: Mathematics',