Release notes for 2.22.0 (#542)

Adds the `CHANGELOG.md` entry for the Render CLI `2.22.0` release, covering commits since `v2.21.0`.

It has been three weeks since `2.21.0`, high-time for a release!

GitOrigin-RevId: 7a5dc642f14d3bcacb960663927ba743f8d92d44

Author: davidharting

CHANGELOG.md

@@ -1,5 +1,21 @@
 # Changelog
 
+## [2.22.0] - 2026-07-21
+
+### Added
+
+- `render ea sandbox-groups list` command to list sandbox groups in the active workspace
+- Key Value commands now display persistence mode and support setting it when creating or updating an instance
+
+### Changed
+
+- **Breaking:** Renamed `render ea sandbox` commands to `render ea sandboxes`; the singular form has been removed
+
+### Fixed
+
+- `render ea sandboxes list` now paginates results, supports multiple status filters, and applies `--all` correctly
+- `render workflows create --repo <local-path>` now resolves local repositories correctly in interactive mode
+
 ## [2.21.0] - 2026-06-29
 
 ### Added