Bump org.springframework.boot:spring-boot-starter-parent (#56)

Bumps the guide-dependencies-maven group with 1 update in the /initial directory: [org.springframework.boot:spring-boot-starter-parent](https://github.com/spring-projects/spring-boot).


Updates `org.springframework.boot:spring-boot-starter-parent` from 3.2.0 to 3.3.1
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.2.0...v3.3.1)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-starter-parent
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: guide-dependencies-maven
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

initial/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.2.0</version>
+		<version>3.3.1</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>