Refactor DNF-based downloading

What's Changed

• Bump github.com/shirou/gopsutil/v3 from 3.22.10 to 3.22.12 by @dependabot in #95
• Bump golang.org/x/crypto from 0.3.0 to 0.5.0 by @dependabot in #94
• Bump google.golang.org/api from 0.106.0 to 0.107.0 by @dependabot in #92
• CI: improve installation of ca-certificates in test debian container by @paulcacheux in #96
• fix the CLI arguments for rhel/oracle/zypper based distributions by @paulcacheux in #97
• Bump google.golang.org/api from 0.107.0 to 0.108.0 by @dependabot in #98
• Bump cloud.google.com/go/storage from 1.28.1 to 1.29.0 by @dependabot in #99
• Bump google.golang.org/api from 0.108.0 to 0.109.0 by @dependabot in #100
• Bump golang.org/x/sys from 0.4.0 to 0.5.0 by @dependabot in #103
• Bump golang.org/x/crypto from 0.5.0 to 0.6.0 by @dependabot in #102
• Bump github.com/shirou/gopsutil/v3 from 3.22.12 to 3.23.1 by @dependabot in #101
• Bump google.golang.org/api from 0.109.0 to 0.110.0 by @dependabot in #104
• CI: use prebuilt debian image by @paulcacheux in #105
• Bump github.com/stretchr/testify from 1.8.1 to 1.8.2 by @dependabot in #106
• Bump google.golang.org/api from 0.110.0 to 0.111.0 by @dependabot in #110
• Bump github.com/shirou/gopsutil/v3 from 3.23.1 to 3.23.2 by @dependabot in #107
• Bump golang.org/x/sys from 0.5.0 to 0.6.0 by @dependabot in #108
• Bump golang.org/x/crypto from 0.6.0 to 0.7.0 by @dependabot in #109
• Improvements to rhel fetcher by @paulcacheux in #111
• Improve DNFv2 performance using fast path xml decoder by @paulcacheux in #112

Full Changelog: v1.11.0-rc.1...v1.11.0-rc.2