Update support.md

[mpstefan]

Adding an explicit line about dedicated support

Proposed changes

Write a clear and concise description that helps reviewers understand the purpose and impact of your changes. Use the
following format: Adding an explicit line about dedicated support

Problem: Documentation needs to be updated

Solution: Changing the documentation

Testing: I read the documentation

Checklist

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

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

[github-actions]

✅ All required contributors have signed the F5 CLA for this PR. Thank you!
_{Posted by the CLA Assistant Lite bot.}

[github-actions]

✅ Deploy Preview will be available once build job completes!

Name	Link
😎 Deploy Preview	https://frontdoor-test-docs.nginx.com/previews/nginx-gateway-fabric/2693/

---

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.38%. Comparing base (105a5e3) to head (035ac23).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2693   +/-   ##
=======================================
  Coverage   89.38%   89.38%           
=======================================
  Files         110      110           
  Lines       10913    10913           
  Branches       50       50           
=======================================
  Hits         9755     9755           
  Misses       1100     1100           
  Partials       58       58           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[salonichf5]

lgtm

[ADubhlaoich]

LGTM, though I have some edit suggestions.

[mpstefan]

I have hereby read the F5 CLA and agree to its terms