BREAKING CHANGE(docker): update note about frontend port change to 8080 (#2015)

## Description
Added comment about port change
Added correct breaking change title to bump major release version update


## Motivation
Background on use case, changes needed


## Fixes:
Please provide a list of the fixes implemented in this PR

* Items added


## Changes:
Please provide a list of the changes implemented by this PR

* changes made


## Tests included
- [ ] Included for each change/fix?
- [ ] Passing? (Merge will not be approved unless this is checked) 

## Documentation
- [ ] swagger documentation updated \[required\]
- [ ] official documentation updated \[nice-to-have\]

### official documentation info
If you have updated the official documentation, please provide PR # and
URL of the pages where the updates are included

## Backend version
- [ ] Does it require a specific version of the backend
- which version of the backend is required:

Author: Junjiequan

Dockerfile

@@ -8,6 +8,8 @@ RUN npm ci
 COPY . /frontend/
 RUN npx ng build
 
+# NOTE: As of Sept 22, frontend is served on port 8080 (previously 80).
+# Make sure deployments, ingress, and services reference 8080 instead of 80.
 FROM docker.io/nginxinc/nginx-unprivileged:1.26.3
 USER root
 RUN rm -rf /usr/share/nginx/html/*