Release v1.8.0 on 2023-02-07.

1. 49ddef6 gsup: Introduce OSMO_GSUP_NUM_VECTORS_REQ_IE by Harald Welte · 4 years, 10 months ago
2. 1b729ce gsup: add OSMO_GSUP_SUPPORTED_RAT_TYPES_IE and OSMO_GSUP_CURRENT_RAT_TYPE_IE by Neels Hofmeyr · 5 years ago
3. affbb20 GSUP: add inter-MSC handover related msgs and IEs by Oliver Smith · 5 years ago
4. 9838c90 GSUP: add Message Class IE by Neels Hofmeyr · 5 years ago
5. 660729c tests/gsup_test.c: drop session IEs from MO-ForwardSM Error by Vadim Yanitskiy · 6 years ago
6. 10db281 GSUP: add CHECK-IMEI message by Oliver Smith · 6 years ago
7. f9ee8da GSUP/SMS: introduce READY-FOR-SM message by Vadim Yanitskiy · 6 years ago
8. c262831 GSUP/SMS: introduce MO-/MT-FORWARD-SM messages by Vadim Yanitskiy · 6 years ago
9. 36c7b33 GSUP: introduce new messages for SS/USSD payloads by Vadim Yanitskiy · 6 years ago
10. 7269604 GSUP: implement TCAP-like session management by Vadim Yanitskiy · 6 years ago
11. eb55c0d gsup: Add encoding/decoding for the pdp charging characteristics by Holger Hans Peter Freyther · 7 years ago
12. bd9de2f gsup_test: also check stderr by Neels Hofmeyr · 7 years ago