chore(deps): update dependency websockets to v15

Author: renovate[bot]

applications/utils/requirements-bazel.txt

@@ -4,7 +4,7 @@ python-dateutil==2.8.2
 paho-mqtt==1.6.1
 pyftpdlib==1.5.7
 ocpp==0.17.0
-websockets==10.4
+websockets==15.0.1
 pyOpenSSL==23.0.0
 cryptography==39.0.2
 packaging==23.0