v2.1.1

What's Changed

• fix: make agentguard upgrade work for brew, deb, and git installs by @SumonMSelim in #52
• chore(release): bump version to 2.1.1 by @SumonMSelim in #53
• chore(release): revert manual version bump by @SumonMSelim in #54

Full Changelog: v2.1.0...v2.1.1