fix(dependencies): remove outdated Thymeleaf dependencies to enhance security

Author: dtoxvanilla1991

playground/kinde-springboot-pkce-client-example/pom.xml

@@ -27,16 +27,6 @@
             <artifactId>spring-boot-starter-thymeleaf</artifactId>
             <version>3.5.5</version>
         </dependency>
-        <dependency>
-            <groupId>org.thymeleaf</groupId>
-            <artifactId>thymeleaf</artifactId>
-            <version>3.1.4.RELEASE</version>
-        </dependency>
-        <dependency>
-            <groupId>org.thymeleaf</groupId>
-            <artifactId>thymeleaf-spring6</artifactId>
-            <version>3.1.4.RELEASE</version>
-        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-oauth2-resource-server</artifactId>