build(deps): bump org.keycloak:keycloak-saml-core

Bumps [org.keycloak:keycloak-saml-core](https://github.com/keycloak/keycloak) from 1.8.1.Final to 26.5.6.
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@1.8.1.Final...26.5.6)

---
updated-dependencies:
- dependency-name: org.keycloak:keycloak-saml-core
  dependency-version: 26.5.6
  dependency-type: direct:production
...

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

Author: dependabot[bot]

test/providers/tst_manifests/maven/pom_deps_with_no_ignore_common_paths/pom.xml

@@ -47,7 +47,7 @@
 		<dependency>
 			<groupId>org.keycloak</groupId>
 			<artifactId>keycloak-saml-core</artifactId>
-			<version>1.8.1.Final</version>
+			<version>26.5.6</version>
 		</dependency>
 		<dependency>
 			<groupId>io.quarkus</groupId>