Bump springboot.version from 3.1.2 to 3.1.3

Bumps `springboot.version` from 3.1.2 to 3.1.3.

Updates `org.springframework.boot:spring-boot-dependencies` from 3.1.2 to 3.1.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.1.2...v3.1.3)

Updates `org.springframework.boot:spring-boot-maven-plugin` from 3.1.2 to 3.1.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.1.2...v3.1.3)

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

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

Author: dependabot[bot]

examples/springboot/pom.xml

@@ -19,7 +19,7 @@
     <maven.compiler.target>17</maven.compiler.target>
     <maven.compiler.source>17</maven.compiler.source>
     <thymeleaf.security.version>3.1.1.RELEASE</thymeleaf.security.version>
-    <springboot.version>3.1.2</springboot.version>
+    <springboot.version>3.1.3</springboot.version>
   </properties>
 
   <dependencyManagement>