fix: included the spring-boot-starter reference to resolve some problems around end of string deliminator

Author: Brett Chaldecott

kinde-springboot/kinde-springboot-core/pom.xml

@@ -26,6 +26,13 @@
       <version>2.0.1</version>
     </dependency>
 
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter</artifactId>
+      <optional>true</optional>
+      <version>3.4.4</version>
+    </dependency>
+
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-webflux</artifactId>