Update Government Takedown Policy to include link to govt request form (#58810)

Co-authored-by: mc <42146119+mchammer01@users.noreply.github.com>

Author: literarytea

content/site-policy/other-site-policies/github-government-takedown-policy.md

@@ -14,11 +14,13 @@ redirect_from:
 
 From time to time, GitHub receives requests from governments to remove content that has been declared unlawful in their local jurisdiction. Although we may not always agree with those laws, we may need to block content if we receive a complete request from a government official so that our users in that jurisdiction may continue to have access to GitHub to collaborate and build software.
 
-## What is a complete government takedown request?
+## How to submit a government takedown request
 
 <!-- markdownlint-disable GHD034 -->
 
-To count as a complete request, a request or notice must
+If you are a government official and wish to request the removal of content under this policy, you can submit your request using our [Government Takedown Requests Form](https://support.github.com/contact/government-takedown).
+
+To count as complete, a request must
 * come from a relevant, official government agency
 * identify illegal content
 * specify the source of illegality in that jurisdiction (law or court order).