Update dependency matplotlib to v3.9.1.post1

requirements.txt

@@ -50,7 +50,7 @@ langcodes==3.3.0 ; python_full_version >= "3.10.0" and python_full_version < "3.
 limits==3.5.0 ; python_full_version >= "3.10.0" and python_full_version < "3.11.0" or python_full_version >= "3.12.0" and python_version < "4.0"
 markdown-it-py==3.0.0 ; python_full_version >= "3.10.0" and python_full_version < "3.11.0" or python_full_version >= "3.12.0" and python_full_version < "4.0.0"
 markupsafe==2.1.3 ; python_full_version >= "3.10.0" and python_full_version < "3.11.0" or python_full_version >= "3.12.0" and python_full_version < "4.0.0"
-matplotlib==3.7.1 ; python_full_version >= "3.10.0" and python_full_version < "3.11.0" or python_full_version >= "3.12.0" and python_full_version < "4.0.0"
+matplotlib==3.9.1.post1 ; python_full_version >= "3.10.0" and python_full_version < "3.11.0" or python_full_version >= "3.12.0" and python_full_version < "4.0.0"
 mdurl==0.1.2 ; python_full_version >= "3.10.0" and python_full_version < "3.11.0" or python_full_version >= "3.12.0" and python_full_version < "4.0.0"
 motor==3.2.0 ; python_full_version >= "3.10.0" and python_full_version < "3.11.0" or python_full_version >= "3.12.0" and python_full_version < "4.0.0"
 mpmath==1.3.0 ; python_full_version >= "3.10.0" and python_full_version < "3.11.0" or python_full_version >= "3.12.0" and python_full_version < "4.0.0"