Add Changelog for the Pull Request

Author: Yunus AYDIN

change-notes/2.15.3/analysis-go.md

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+### Changelog for Web Cache Deception Query - CodeQL
+
+- Initial release of the Web Cache Deception query for CodeQL.
+
+#### Changes:
+- New query to detect potential Web Cache Deception vulnerabilities in web applications.
+- Included experimental examples of vulnerable (bad) and non-vulnerable (good) code patterns.
+
+
+#### Documentation and References:
+- [OWASP Web Cache Deception Attack](https://owasp.org/www-community/attacks/Web_Cache_Deception)
+- Additional documentation on query usage and configuration.