actions 0.7.0

• Add R package-aware release handling to draft-release and post-release. (#170, @kelly-sovacool, @copilot)
• Update example workflows to limit concurrency which saves runtime. (#172, @kelly-sovacool)
• Bump actions versions.
• Minor documentation improvements.
• Use the CCBR-bot as the committer in auto-format so changes will trigger other workflows. (#171, @kelly-sovacool)