Fee bumping when fee estimation doesn't meet min relay fee #3446

Job	Run time
cross compilation	5m 15s
Docker build check	3m 52s
Compilation check	52s
Format check	26s
run itests	9m 5s
run itests postgres	17m 14s
Lint check	2m 40s
migration version check	12s
go mod check	29s
RPC check	1m 15s
run LiT tests	4m 48s
sample configuration check	42s
Sqlc check	36s
test vector check	56s
run unit tests (unit-race)	9m 43s
run unit tests (unit-cover)	2m 58s
run unit tests (unit dbbackend=postgres)	6m 0s
finish	3s
	1h 7m 6s

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