Update dependency typing-extensions to v4.15.0

Author: renovate[bot]

requirements.txt

@@ -11,7 +11,7 @@ numpy==1.26.4
 pandas==2.3.3
 pip==25.3
 setuptools==80.9.0 # opentsne uses sklearn.base uses joblib uses distutils missing in Python >= 12 (TODO use native openTSNE?) 
-typing-extensions==4.12.2 # Needed for opentsne and Python >= 3.12
+typing-extensions==4.15.0 # Needed for opentsne and Python >= 3.12
 
 # --- Visualization ---
 wordcloud==1.9.4