build(deps): bump spring-boot-maven-plugin from 2.7.5 to 3.0.0

Bumps [spring-boot-maven-plugin](https://github.com/spring-projects/spring-boot) from 2.7.5 to 3.0.0.
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v2.7.5...v3.0.0)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

demos/grpc-java-contrib-demo/time-service-demo/pom.xml

@@ -91,7 +91,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
-                <version>2.7.5</version>
+                <version>3.0.0</version>
                 <executions>
                     <execution>
                         <goals>