Resolve "Update Spring Boot from 3.4.4 to 3.4.5"

Related issues

This MR updates Spring Boot from version 3.4.4 to 3.4.5 to apply the latest security patches and bug fixes as provided by the Spring team.

Changes:

• Updated Spring Boot version in pom.xml
• Verified application startup and performed tests

Reason:
Staying on the latest patch version helps mitigate known vulnerabilities and ensures better stability and support.

Reference:
Spring Boot 3.4.5 Release Notes

Acceptance criteria

• Implemented code changes don't diverge from the related issue.
• Documentation reflects the status quo after merge.
• Version number is incremented according to SemVer. (Snapshot versions are not merged/released.)
• Only released versions of dependencies are used (i.e. no snapshot versions).
• Pipeline still works.
• GitLab issue is up-to-date.

If necessary, the following sections have been updated:

• Readme.md
• Documentation

Proposed squash commit message

This MR updates Spring Boot from version 3.4.4 to 3.4.5

This is required to apply the latest security patches and bug fixes as provided by the Spring team.

Changes:

* Updated Spring Boot version in pom.xml