defender: allow to impose a delay between login attempts #2045

Job	Run time
Build Linux packages (amd64, ubuntu:18.04, latest, amd64)	1m 50s
Build Linux packages (amd64, ubuntu:18.04, latest, amd64)	1m 50s
Build Linux packages (aarch64, ubuntu18.04, latest, arm64)	14m 44s
Build Linux packages (aarch64, ubuntu18.04, latest, arm64)	14m 44s
Build Linux packages (ppc64le, ubuntu18.04, latest, ppc64le)	15m 30s
Build Linux packages (ppc64le, ubuntu18.04, latest, ppc64le)	15m 30s
Build Linux packages (armv7, ubuntu18.04, latest, arm7)	16m 29s
Build Linux packages (armv7, ubuntu18.04, latest, arm7)	16m 29s
golangci-lint	1m 58s
golangci-lint	1m 58s
Test build flags	1m 37s
Test build flags	1m 37s
Test and deploy (1.22, ubuntu-latest, true)	15m 14s
Test and deploy (1.22, ubuntu-latest, true)	14m 28s
Test with PgSQL/MySQL/Cockroach	20m 31s
Test with PgSQL/MySQL/Cockroach	20m 31s
Test and deploy (1.22, macos-latest, true)	14m 47s
Test and deploy (1.22, macos-latest, true)	14m 47s
Test and deploy (1.22, windows-latest, false)	15m 14s
Test and deploy (1.22, windows-latest, false)	23m 48s
	4h 3m 36s

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