Bump spring.boot.version from 3.2.1 to 3.2.3

Bumps `spring.boot.version` from 3.2.1 to 3.2.3.

Updates `org.springframework.boot:spring-boot-starter-data-jpa` from 3.2.1 to 3.2.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.2.1...v3.2.3)

Updates `org.springframework.boot:spring-boot-starter-web` from 3.2.1 to 3.2.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.2.1...v3.2.3)

Updates `org.springframework.boot:spring-boot-starter-test` from 3.2.1 to 3.2.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.2.1...v3.2.3)

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

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

transactionoutbox-spring/pom.xml

@@ -15,7 +15,7 @@
   <properties>
     <maven.compiler.source>17</maven.compiler.source>
     <maven.compiler.target>17</maven.compiler.target>
-    <spring.boot.version>3.2.1</spring.boot.version>
+    <spring.boot.version>3.2.3</spring.boot.version>
     <spring.version>6.1.2</spring.version>
   </properties>
   <dependencies>