Update prompt-toolkit from 3.0.43 to 3.0.47 (#657)

Author: pyup-bot

requirements/requirements_synapse.txt

@@ -10,7 +10,7 @@ xxhash==3.4.1
 lmdb==1.4.1
 regex==2024.7.24
 PyYAML==6.0.1
-prompt-toolkit==3.0.43
+prompt-toolkit==3.0.47
 Pygments==2.17.2
 lark==1.1.9
 packaging==24.1