[nrfconnect] Added typing_extenstions to nrfconnect requirements

The factory data script started to fail with Python 3.12.
Adding typing_extensions to requirements fixes the issue.

Author: kkasperczyk-no

scripts/setup/requirements.nrfconnect.txt

@@ -5,3 +5,4 @@ cbor2>=5.4.3
 ecdsa>=0.18.0
 qrcode==7.4.2
 python_stdnum==1.18
+typing-extensions==4.6.0