Merge branch 'ds/fetch-negotiation-options'

The negotiation tip options in "git fetch" have been reworked to allow requiring certain refs to be sent as "have" lines, and to restrict negotiation to a specific set of refs. * ds/fetch-negotiation-options: send-pack: pass negotiation config in push remote: add remote.*.negotiationInclude config fetch: add --negotiation-include option for negotiation negotiator: add have_sent() interface remote: add remote.*.negotiationRestrict config transport: rename negotiation_tips fetch: add --negotiation-restrict option t5516: fix test order flakiness