chore: [DevOps] bump the plugins group across 1 directory with 3 updates

Bumps the plugins group with 3 updates in the / directory: [org.apache.maven.plugins:maven-resources-plugin](https://github.com/apache/maven-resources-plugin), [org.apache.maven.plugins:maven-source-plugin](https://github.com/apache/maven-source-plugin) and [org.springframework.boot:spring-boot-maven-plugin](https://github.com/spring-projects/spring-boot).


Updates `org.apache.maven.plugins:maven-resources-plugin` from 3.3.1 to 3.4.0
- [Release notes](https://github.com/apache/maven-resources-plugin/releases)
- [Commits](apache/maven-resources-plugin@maven-resources-plugin-3.3.1...v3.4.0)

Updates `org.apache.maven.plugins:maven-source-plugin` from 3.3.1 to 3.4.0
- [Release notes](https://github.com/apache/maven-source-plugin/releases)
- [Commits](apache/maven-source-plugin@maven-source-plugin-3.3.1...maven-source-plugin-3.4.0)

Updates `org.springframework.boot:spring-boot-maven-plugin` from 3.5.7 to 4.0.0
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.5.7...v4.0.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-resources-plugin
  dependency-version: 3.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: plugins
- dependency-name: org.apache.maven.plugins:maven-source-plugin
  dependency-version: 3.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: plugins
- dependency-name: org.springframework.boot:spring-boot-maven-plugin
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: plugins
...

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

Author: dependabot[bot]

pom.xml

@@ -539,7 +539,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-resources-plugin</artifactId>
-        <version>3.3.1</version>
+        <version>3.4.0</version>
       </plugin>
       <!-- phase: test-compile -->
       <plugin>
@@ -815,7 +815,7 @@ https://gitbox.apache.org/repos/asf?p=maven-pmd-plugin.git;a=blob_plain;f=src/ma
             <plugin>
               <groupId>org.apache.maven.plugins</groupId>
               <artifactId>maven-source-plugin</artifactId>
-              <version>3.3.1</version>
+              <version>3.4.0</version>
               <executions>
                 <execution>
                   <id>attach-sources</id>

sample-code/spring-app/pom.xml

@@ -33,7 +33,7 @@
   </developers>
   <properties>
     <project.rootdir>${project.basedir}/../../</project.rootdir>
-    <spring-boot.version>3.5.7</spring-boot.version>
+    <spring-boot.version>4.0.0</spring-boot.version>
     <logback.version>1.5.22</logback.version>
     <cf-logging.version>4.0.0</cf-logging.version>
     <apache-tomcat-embed.version>11.0.13</apache-tomcat-embed.version>