Add missing keycloak-server-spi dependency to ease demos

Author: thomasdarimont

keycloak/extensions/pom.xml

@@ -55,6 +55,13 @@
             <scope>provided</scope>
         </dependency>
 
+        <dependency>
+            <groupId>org.keycloak</groupId>
+            <artifactId>keycloak-server-spi</artifactId>
+            <version>${keycloak.version}</version>
+            <scope>provided</scope>
+        </dependency>
+
         <dependency>
             <groupId>org.keycloak</groupId>
             <artifactId>keycloak-ldap-federation</artifactId>