Update to Keycloak 21.0.0

 pom.xml

@@ -22,7 +22,7 @@

    <groupId>org.keycloak</groupId>
    <artifactId>keycloak-protocol-cas</artifactId>
    <version>20.0.5</version>
    <version>21.0.0</version>
    <name>Keycloak CAS Protocol</name>
    <description />

@@ -36,7 +36,7 @@
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.target>1.8</maven.compiler.target>
        <maven.compiler.source>1.8</maven.compiler.source>
        <project.build.outputTimestamp>1676969243</project.build.outputTimestamp>
        <project.build.outputTimestamp>1677228457</project.build.outputTimestamp>
    </properties>

    <dependencies>