Bump open_saml_version from 5.1.5 to 5.1.6 (#5614)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

CHANGELOG.md

@@ -29,7 +29,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Bump `1password/load-secrets-action` from 2 to 3 ([#5573](https://github.com/opensearch-project/security/pull/5573))
 - Bump `jjwt_version` from 0.12.6 to 0.13.0 ([#5568](https://github.com/opensearch-project/security/pull/5568), [#5581](https://github.com/opensearch-project/security/pull/5581))
 - Bump `org.mockito:mockito-core` from 5.18.0 to 5.19.0 ([#5566](https://github.com/opensearch-project/security/pull/5566))
-- Bump `open_saml_version` from 5.1.4 to 5.1.5 ([#5567](https://github.com/opensearch-project/security/pull/5567))
+- Bump `open_saml_version` from 5.1.4 to 5.1.6 ([#5567](https://github.com/opensearch-project/security/pull/5567), [#5614](https://github.com/opensearch-project/security/pull/5614))
 - 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 `com.github.spotbugs` from 6.2.4 to 6.2.5 ([#5584](https://github.com/opensearch-project/security/pull/5584))

build.gradle

@@ -27,7 +27,7 @@ buildscript {
         common_utils_version = System.getProperty("common_utils.version", '3.2.0.0-SNAPSHOT')
 
         kafka_version  = '4.0.0'
-        open_saml_version = '5.1.5'
+        open_saml_version = '5.1.6'
         open_saml_shib_version = "9.1.4"
         one_login_java_saml = '2.9.0'
         jjwt_version = '0.13.0'

libs/opensaml/build.gradle

@@ -6,7 +6,7 @@ apply plugin: 'maven-publish'
 
 buildscript {
     ext {
-        open_saml_version = '5.1.5'
+        open_saml_version = '5.1.6'
         open_saml_shib_version = "9.1.6"
     }