Update changelog

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

CHANGELOG.md

@@ -24,6 +24,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Bump `open_saml_version` from 5.1.4 to 5.1.5 ([#5567](https://github.com/opensearch-project/security/pull/5567))
 - Bump `com.google.j2objc:j2objc-annotations` from 3.0.0 to 3.1 ([#5570](https://github.com/opensearch-project/security/pull/5570))
 - Bump `spring_version` from 6.2.9 to 6.2.10 ([#5569](https://github.com/opensearch-project/security/pull/5569))
+- Bump `open_saml_shib_version` from 9.1.4 to 9.1.5 ([#5585](https://github.com/opensearch-project/security/pull/5585))
 
 ### Documentation