Update docs changelog (for PR #60110) (#60305)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: hubwriter <hubwriter@github.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: 4 people

CHANGELOG.md

@@ -1,14 +1,21 @@
 # Docs changelog
 
+**18 March 2026**
+
+We added documentation for using session data in Copilot CLI—including the `/chronicle` slash command:
+
+* [About GitHub Copilot CLI session data](https://docs.github.com/en/copilot/concepts/agents/copilot-cli/chronicle)
+* [Using GitHub Copilot CLI session data](https://docs.github.com/copilot/how-tos/copilot-cli/chronicle)
+
+<hr>
+
 **17 March 2026**
 
 We published [Maintaining codebase standards in a GitHub Copilot rollout](https://docs.github.com/en/enterprise-cloud@latest/copilot/tutorials/roll-out-at-scale/maintain-codebase-standards).
 
 The guide shows how customers can create a strong governance framework for Copilot by leveraging GitHub's enterprise-grade platform alongside cultural best practices.
 
-<hr>
-
-We published [Resources for getting approval of GitHub Copilot](https://docs.github.com/enterprise-cloud@latest/copilot/get-started/resources-for-approval), a guide that collects resources for enterprise admins to send to legal, compliance, and cybersecurity teams in their company.
+We also published [Resources for getting approval of GitHub Copilot](https://docs.github.com/enterprise-cloud@latest/copilot/get-started/resources-for-approval), a guide that collects resources for enterprise admins to send to legal, compliance, and cybersecurity teams in their company.
 
 <hr>
 
@@ -18,6 +25,8 @@ We've updated our documentation to include a series of articles about the GitHub
 
 See [GitHub integration in Teams](https://docs.github.com/integrations/how-tos/teams).
 
+<hr>
+
 **4 March 2026**
 
 We've published a new article to coincide with the public preview of the Copilot coding agent for Jira integration.