quay.io docker images not up to date but referenced in README.md

[Jaakkonen]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

❯ docker run -it --rm docker.io/derailed/k9s:v0.50.16 version  
 ____  __ ________       
|    |/  /   __   \______
|       /\____    /  ___/
|    \   \  /    /\___  \
|____|\__ \/____//____  /
         \/           \/ 

Version:    v0.50.16
Commit:     
Date:       2025-10-19T15:11:28Z

~
❯ docker run -it --rm docker.io/derailed/k9s:latest version  
Unable to find image 'derailed/k9s:latest' locally
1caea98dbc6c: Pull complete 
d2f35f9d07ff: Pull complete 
Digest: sha256:a2b70c19d85b137aec7e33001710c17bc4d28dabbef86cc42036e46d57c2ab50     
Status: Downloaded newer image for derailed/k9s:latest
 ____  __ ________       
|    |/  /   __   \______
|       /\____    /  ___/
|    \   \  /    /\___  \
|____|\__ \/____//____  /
         \/           \/ 

Version:    v0.50.16
Commit:     
Date:       2026-01-03T17:30:49Z

~ 14s
❯ docker run -it --rm quay.io/derailed/k9s:latest version
Unable to find image 'quay.io/derailed/k9s:latest' locally
latest: Pulling from derailed/k9s
671a1695c95e: Pull complete 
19f023234d31: Pull complete 
Digest: sha256:282f28abecf2f7390bf42dd1d0f90705c143ae8af33ec866a5f94ba27cbfff05
Status: Downloaded newer image for quay.io/derailed/k9s:latest
 ____  __.________       
|    |/ _/   __   \______
|      < \____    /  ___/
|    |  \   /    /\___ \ 
|____|__ \ /____//____  >
        \/            \/ 

Version:    v0.32.7
Commit:     
Date:       2024-12-07T15:55:44Z

~ 9s
❯ docker run -it --rm quay.io/derailed/k9s:v0.50.16 version
Unable to find image 'quay.io/derailed/k9s:v0.50.16' locally
docker: Error response from daemon: failed to resolve reference "quay.io/derailed/k9s:v0.50.16": quay.io/derailed/k9s:v0.50.16: not found

Run 'docker run --help' for more information

Expected behavior
README.md recommended way of running with Docker pointing to a container registry which has up to date releases.