Bump spring-boot.version from 3.1.4 to 3.1.5

Bumps `spring-boot.version` from 3.1.4 to 3.1.5.

Updates `org.springframework.boot:spring-boot-autoconfigure` from 3.1.4 to 3.1.5
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.1.4...v3.1.5)

Updates `org.springframework.boot:spring-boot-test` from 3.1.4 to 3.1.5
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.1.4...v3.1.5)

Updates `org.springframework.boot:spring-boot-starter-data-jpa` from 3.1.4 to 3.1.5
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.1.4...v3.1.5)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-autoconfigure
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework.boot:spring-boot-test
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.springframework.boot:spring-boot-starter-data-jpa
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -48,7 +48,7 @@
         <!-- Main -->
         <axon.version>4.8.2</axon.version>
         <spring.version>6.0.13</spring.version>
-        <spring-boot.version>3.1.4</spring-boot.version>
+        <spring-boot.version>3.1.5</spring-boot.version>
         <!-- Database -->
         <jakarta.persistence.version>3.1.0</jakarta.persistence.version>
         <!-- Serialization -->