Prepare 0.5.0 release

[Link-]

This release includes the following list of major changes and fixes:

Changelog:

• Bump github.com/cloudflare/circl from 1.1.0 to 1.3.3 #2628
• chore(deps): bump github.com/stretchr/testify from 1.8.2 to 1.8.4 #2716
• Add status check before deserializing runner-registration response #2699
• Add configurable log format to values.yaml and propagate it to listener #2686
• chore: Set build version on make-runscaleset #2713
• Adapt role name to prevent namespace collision #2617
• Trim repo/org/enterprise to 63 characters in label values #2657
• Add DrainJobsMode #2569
• Discard logs on helm chart tests #2607
• Use build.Version to check if resource version is a mismatch #2521
• Reordering methods and constants so it is easier to look it up #2501
• Extend manager roles to accept ephemeralrunnerset/finalizers #2493
• Provide scale-set listener metrics #2559
• Trim gha-runner-scale-set to gha-rs in names and remove role type suffixes #2706
• Revert chart name and use helper constant to trim the name base #2824
• Move gha-* docs out of preview #2779
• Fix scaling back to 0 after min runners were set to number > 0 #2742
• Document customization for containerModes #2777
• Upgrade golang.org/x/net to 0.11 #2676