Update regex from 2025.7.34 to 2025.11.3 (#1075)

Co-authored-by: vEpiphyte <[email protected]>

Author: pyup-bot

requirements/requirements_synapse.txt

@@ -8,7 +8,7 @@ cryptography==43.0.3
 msgpack==1.1.0
 xxhash==3.5.0
 lmdb==1.7.3
-regex==2025.7.34
+regex==2025.11.3
 PyYAML==6.0.3
 prompt-toolkit==3.0.51
 Pygments==2.19.2