Incorrect link in developer docs

[salonichf5]

Describe the bug
Link to update documentation for developers has the wrong link

To Reproduce
Steps to reproduce the behavior:

1. Go to docs Implementing a Feature
2. Open documentation link on bullet point 10.
3. Leads to page not found.

Expected behavior
Documentation Link is updated correctly

Your environment

• Version of the NGINX Gateway Fabric - v1.3
• Version of Kubernetes
• Kubernetes platform (e.g. Mini-kube or GCP)
• Details on how you expose the NGINX Gateway Fabric Pod (e.g. Service of type LoadBalancer or port-forward)
• Logs of NGINX container: kubectl -n nginx-gateway logs -l app=nginx-gateway -c nginx
• NGINX Configuration: kubectl -n nginx-gateway exec <gateway-pod> -c nginx -- nginx -T

Additional context
Add any other context about the problem here. Any log files you want to share.

[salonichf5]

I can make this change in my Troubleshooting guide PR if its alright? Very small change. @sjberman @kate-osborn @pleshakov

[bjee19]

Could also be a good option to open a quick fix so it can go in asap w/o going in with a larger PR still under review.

[salonichf5]

Could also be a good option to open a quick fix so it can go in asap w/o going in with a larger PR still under review.

The PR has approvals and is waiting for a another pass through so should go in soon.