Support containerized releases

[NotTheEvilOne]

What this PR does / why we need it:
WIP

Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Release note:

[codecov]

Codecov Report

❌ Patch coverage is 70.14925% with 20 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.87%. Comparing base (868783c) to head (b72cb8d).
⚠️ Report is 30 commits behind head on main.

Files with missing lines	Patch %	Lines
src/gardenlinux/github/release/release.py	65.51%	20 Missing ⚠️

Additional details and impacted files

@@ Coverage Diff @@## main #337 +/- ##
==========================================
- Coverage 91.36% 90.87% -0.50% 
==========================================
Files 51 51 Lines 2931 2969 +38 ==========================================
+ Hits 2678 2698 +20 - Misses 253 271 +18 

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