build: Update to Spring Boot 3.3.3

pom.xml

@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.0.0</version>
+        <version>3.3.3</version>
         <relativePath /> <!-- lookup parent from repository -->
     </parent>
     <groupId>io.github.wimdeblauwe</groupId>