fix CI, replace deprecated S3 API #1925

Job	Run time
golangci-lint	39s
golangci-lint	48s
Test build flags	1m 29s
Test build flags	1m 29s
Test and deploy (1.20, ubuntu-latest, true)	23m 58s
Test and deploy (1.20, ubuntu-latest, true)	23m 58s
Build Linux packages (amd64, ubuntu:18.04, latest, amd64)	2m 22s
Build Linux packages (amd64, ubuntu:18.04, latest, amd64)	2m 22s
Test and deploy (1.20, macos-latest, true)	24m 50s
Test and deploy (1.20, macos-latest, true)	23m 48s
Build Linux packages (aarch64, ubuntu18.04, latest, arm64)	15m 20s
Build Linux packages (aarch64, ubuntu18.04, latest, arm64)	15m 20s
Test and deploy (1.20, windows-latest, false)	24m 57s
Test and deploy (1.20, windows-latest, false)	31m 8s
Build Linux packages (ppc64le, ubuntu18.04, latest, ppc64le)	15m 30s
Build Linux packages (ppc64le, ubuntu18.04, latest, ppc64le)	15m 30s
Test with PgSQL/MySQL/Cockroach	32m 36s
Test with PgSQL/MySQL/Cockroach	32m 36s
Run test cases on 32-bit arch	9m 34s
Run test cases on 32-bit arch	9m 34s
Build Linux packages (armv7, ubuntu18.04, latest, arm7)	17m 25s
Build Linux packages (armv7, ubuntu18.04, latest, arm7)	17m 25s
	5h 42m 38s

Provide feedback