Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

Relevant Log Output

Expected Behavior

Installation instructions should use the same version as the documentation.

Steps to Reproduce

Check links:
https://coder.com/docs/@v2.18.5/install/kubernetes#4-install-coder-with-helm
https://coder.com/docs/@v2.19.0/install/kubernetes#4-install-coder-with-helm

Environment

• Host OS:
• Coder version:

Additional Context

No response