Peers heads

changed milestone to %1.9

approved this merge request

added 3 commits

• fb64bae4 - [feat] store peers and heads in rust dbs
• e5a5cd08 - [test] server: test save_peer & receive_new_heads
• 1e1b7447 - [feat] dex: add db dunp_v1

Compare with previous version

enabled an automatic merge when the pipeline for 1e1b7447 succeeds

mentioned in commit ba9010bf

merged