Update container image to pull latest patch

[f5yacobucci]

An important patch released, while early in development we will prefer to pull the latest patch release from the MAJOR.MINOR Nginx tag.

Proposed changes

Pulling in nginx image from the MAJOR.MINOR tag. This allows us to stay fresh on patch releases.

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• [ X] I have read the CONTRIBUTING doc
• [ N/A] I have added tests that prove my fix is effective or that my feature works
• [ X] I have checked that all unit tests pass after adding my changes
• [ X] I have updated necessary documentation
• [ X] I have rebased my branch onto main
• [ X] I will ensure my PR is targeting the main branch and pulling from my branch from my own fork