Add SecureDrop 2.1.0~rc2 debs

[conorsch]

Status

Ready for review

Description of changes

Checklist

• Build logs have been committed to build-logs - freedomofpress/build-logs@ff9d8c6
• Tag is correct in build logs
• Checksums of packages presented here match what's in the build logs

[cfm]

Approved per checklist:

• Build logs have been committed to build-logs - freedomofpress/build-logs@ff9d8c6
• Tag is correct in build logs = securedrop-2.1.0-rc2
• Checksums of packages presented here match what's in the build logs

cfm@ozymandias{1097:1}$ git checkout securedrop-2.1.0-rc2 
Filtering content: 100% (5/5), 13.07 MiB | 4.61 MiB/s, done.
Branch 'securedrop-2.1.0-rc2' set up to track remote branch 'securedrop-2.1.0-rc2' from 'origin'.
Switched to a new branch 'securedrop-2.1.0-rc2'
[...]
cfm@ozymandias{1108}$ sha256sum $(git diff-tree --no-commit-id --name-only -r HEAD)
40ec5664a36218004ffc00a3d2d860c3c3789fb14e3cc2fc4f2766bf72874793  core/focal/securedrop-app-code_2.1.0~rc2+focal_amd64.deb
424412d413b9ff806d3a26ae6058983aae8bcc59de284758c05da4612483d6df  core/focal/securedrop-config-0.1.4+2.1.0~rc2+focal-amd64.deb
1fa9d8099555f157ad00f055cc860a147e723c3cb66ec135e6434ef713ff8444  core/focal/securedrop-keyring-0.1.5+2.1.0~rc2+focal-amd64.deb
92fe690bd5dd8ddb2e98a6eb17e16498dd3c90b459fcef97a8300c1fc70f7fd4  core/focal/securedrop-ossec-agent-3.6.0+2.1.0~rc2+focal-amd64.deb
0e1f7cd12c8c3c2cab6c2a40b77c3887d6c1e3b73ea947e93e8c5dfa86e1203d  core/focal/securedrop-ossec-server-3.6.0+2.1.0~rc2+focal-amd64.deb