requirements: Update astroid to 3.3.7 to fix lint on Python 3.13

pylint-dev/astroid#2657

Author: juergbi

requirements/dev-requirements.txt

@@ -9,7 +9,7 @@ pytest-timeout==2.3.1
 pyftpdlib==2.0.1
 setuptools==75.6.0
 ## The following requirements were added by pip freeze:
-astroid==3.3.5
+astroid==3.3.7
 dill==0.3.9
 execnet==2.1.1
 iniconfig==2.0.0