Update dependencies of Spring Framework/Boot

[agebhar1]

Please ensure all items are complete before opening.

• [x] Tick to sign-off your agreement to the IBM Contributor License Agreement
• [x] You have updated the CHANGES.md
• [x] You have completed the PR template below:

What

Update dependencies of Spring Framework and Spring Boot to latest version.

[ibmmqmet]

Thanks for that. It was one of this week's jobs but you've saved me from the effort.

[agebhar1]

😃