chore(deps): bump keycloak-version from 25.0.6 to 26.0.6

Bumps `keycloak-version` from 25.0.6 to 26.0.6.

Updates `org.keycloak:keycloak-services` from 25.0.6 to 26.0.6
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@25.0.6...26.0.6)

Updates `org.keycloak:keycloak-server-spi` from 25.0.6 to 26.0.6
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@25.0.6...26.0.6)

Updates `org.keycloak:keycloak-server-spi-private` from 25.0.6 to 26.0.6
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@25.0.6...26.0.6)

Updates `org.keycloak:keycloak-saml-core` from 25.0.6 to 26.0.6
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@25.0.6...26.0.6)

---
updated-dependencies:
- dependency-name: org.keycloak:keycloak-services
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.keycloak:keycloak-server-spi
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.keycloak:keycloak-server-spi-private
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.keycloak:keycloak-saml-core
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -53,7 +53,7 @@
         <java.version>17</java.version>
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
-        <keycloak-version>25.0.6</keycloak-version>
+        <keycloak-version>26.0.6</keycloak-version>
         <auto-service.version>1.1.1</auto-service.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>