Bump keycloak.version from 25.0.5 to 26.0.2

Bumps `keycloak.version` from 25.0.5 to 26.0.2.

Updates `org.keycloak:keycloak-core` from 25.0.5 to 26.0.2
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@25.0.5...26.0.2)

Updates `org.keycloak:keycloak-services` from 25.0.5 to 26.0.2
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@25.0.5...26.0.2)

Updates `org.keycloak:keycloak-server-spi` from 25.0.5 to 26.0.2
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@25.0.5...26.0.2)

Updates `org.keycloak:keycloak-server-spi-private` from 25.0.5 to 26.0.2
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@25.0.5...26.0.2)

---
updated-dependencies:
- dependency-name: org.keycloak:keycloak-core
  dependency-type: direct:production
  update-type: version-update:semver-major
- 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
...

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

pom.xml

@@ -12,7 +12,7 @@
     <maven.compiler.source>17</maven.compiler.source>
     <maven.compiler.target>17</maven.compiler.target>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <keycloak.version>25.0.5</keycloak.version>
+    <keycloak.version>26.0.2</keycloak.version>
   </properties>
 
   <dependencies>