Release v1.6.1 on 2023-02-23.

1. 3f9d197 db v6: determine 3G AUC IND from VLR name by Neels Hofmeyr · 4 years, 7 months ago
2. 04c2375 db v5: prep for D-GSM: add vlr_via_proxy and sgsn_via_proxy by Neels Hofmeyr · 4 years, 7 months ago
3. 07e1602 db v4: add column last_lu_seen_ps by Neels Hofmeyr · 4 years, 7 months ago
4. 981e126 db upgrade: remove some code dup by Neels Hofmeyr · 4 years, 8 months ago
5. 7143f3a fix upgrade test in presence of ~/.sqliterc by Neels Hofmeyr · 4 years, 8 months ago
6. a8045da hlr db schema 3: hlr_number -> msc_number by Neels Hofmeyr · 4 years, 8 months ago
7. 5b65461 add db_upgrade test by Neels Hofmeyr · 4 years, 8 months ago