chore(deps): update dependency matplotlib to v3.9.0

Author: renovate[bot]

intentional/src/main/python/requirements.txt

@@ -2,7 +2,7 @@ autopep8==2.3.1
 pycorrelate==0.3
 cx-Oracle==8.3.0
 notebook==7.2.1
-matplotlib==3.8.4
+matplotlib==3.9.0
 numpy==1.26.4
 pandas==1.5.3
 requests==2.32.3