refactor: add jwk validator dep (planning#667)

tools/pom.xml

@@ -23,6 +23,10 @@
             <groupId>dev.fitko.fitconnect.sdk</groupId>
             <artifactId>core</artifactId>
         </dependency>
+        <dependency>
+            <groupId>dev.fitko.fitconnect</groupId>
+            <artifactId>jwkvalidator</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>