Prepare Release - v2.1.1

[github-actions]

This is an automated PR for a new release.

Please check the following before approving:

• Changelog is accurate. The documented changes for this release are printed below.
• Any files referencing a version number. Confirm it matches the version number in the branch name.

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Release Changelog Preview

v2.1.1

Fixes

• Update Go mod name. {Update go mod package name for v2 #193}

Security

• Update dependencies with security vulnerabilities to patched versions. {Update dependencies #192}