Bump the maven-dependencies group with 2 updates

Bumps the maven-dependencies group with 2 updates: [org.springframework.boot:spring-boot-starter-parent](https://github.com/spring-projects/spring-boot) and [org.apache.maven.plugins:maven-site-plugin](https://github.com/apache/maven-site-plugin).


Updates `org.springframework.boot:spring-boot-starter-parent` from 3.3.4 to 3.3.5
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.3.4...v3.3.5)

Updates `org.apache.maven.plugins:maven-site-plugin` from 3.20.0 to 3.21.0
- [Release notes](https://github.com/apache/maven-site-plugin/releases)
- [Commits](apache/maven-site-plugin@maven-site-plugin-3.20.0...maven-site-plugin-3.21.0)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-starter-parent
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: maven-dependencies
- dependency-name: org.apache.maven.plugins:maven-site-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: maven-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -31,7 +31,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.3.4</version>
+        <version>3.3.5</version>
     </parent>
 
     <properties>
@@ -246,7 +246,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-site-plugin</artifactId>
-                        <version>3.20.0</version>
+                        <version>3.21.0</version>
                     </plugin>
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>