v0.21.2-beta.0

What's Changed

• [v0.21] Merge pull request #2286 from lizardruss/main by @loft-bot in #2292
• [v0.21] Merge pull request #2297 from neogopher/fix-set-etcd-headless-endpoints-correctly by @loft-bot in #2299
• [v0.21] Merge pull request #2310 from FabianKramm/main by @loft-bot in #2312

Full Changelog: v0.21.1...v0.21.2-beta.0