General: Include example for disclosing AI usage.

Follow up to [61593].

Props jeffpaul, westonruter, gziolo, mukesh27.
Fixes #64587.

git-svn-id: https://develop.svn.wordpress.org/trunk@62049 602fd350-edb4-49c9-b593-d223f7449a82

Author: desrosj

.github/pull_request_template.md

@@ -23,6 +23,13 @@ Trac ticket: <!-- insert a link to the WordPress Trac ticket here -->
 
 <!--
 You are free to use artificial intelligence (AI) tooling to contribute, but you must disclose what tooling you are using and to what extent a pull request has been authored by AI. It is your responsibility to review and take responsibility for what AI generates. See the WordPress AI Guidelines: <https://make.wordpress.org/ai/handbook/ai-guidelines/>.
+
+Example disclosure:
+
+AI assistance: Yes
+Tool(s): GitHub Copilot, ChatGPT
+Model(s): GPT-5.1
+Used for: Initial code skeleton and test suggestions; final implementation and tests were reviewed and edited by me.
 -->
 
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