add 1shubham7 to org members

[1Shubham7]

Kgateway-dev Org Membership Request

GitHub user ID: 1shubham7

Company affiliation: N/A

Requirements:

• I have reviewed the project contributing guide
• I have enabled 2FA on my GitHub account
• I have joined both the #kgateway and #kgateway-contributors channels on the CNCF slack
• In this PR, I have added my GitHub username to the orgs.kgateway-dev.members list in org.yaml (maintaining alphabetical order)
• In this PR, I have added my GitHub username to the orgs.kgateway-dev.teams.org-members.members list in org.yaml (maintaining alphabetical order)

Provide a link to at least five PRs that you have successfully pushed to one of the project's repos:

• Introduce shared base gateway and migrate tests to go http assertions for faster tests
• Faster E2E tests for ExtProc pkg - use native go instead of curl pod to create http reqs
• Faster E2E tests for Extauth pkg - use native go instead of curl pod to create http reqs
• Fix the issues I found in the docs
• Introducing TestInstallation.AssertionsT method that provides a better scoped assertions provider

[jenshu]

Thanks for your contributions! 🎉