update survey link

[brianehlert]

update the survey link with new survey.

Proposed changes

Describe the use case and detail of the change. If this PR addresses an issue on GitHub, make sure to include a link to that issue here in this description (not in the title of the PR).

Checklist

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• 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
• [ X ] I have updated necessary documentation
• I have rebased my branch onto master
• I will ensure my PR is targeting the master branch and pulling from my branch from my own fork

[pleshakov]

Hi @brianehlert

Could you also update this file -- https://github.com/nginxinc/kubernetes-ingress/blob/master/.github/release-drafter.yml ? It is a template that is used to auto-generate release notes. the template includes the link to the survey.

also, release notes for several releases include a link to the old survey. if those are needed to be updated, the description of each release can be edited via GitHub interface.

[brianehlert]

added release-drafter