build(connector-corda): upgrade to Spring Boot v3.3.1

[petermetz]

IMPORTANT: The project now needs JDK 17 and Gradle 8 for development.

1. The bean validation has been replaced to the jakarta flavor as mandated by the spring boot upgrade.
2. Request bodies in the OpenAPI spec for Corda v4 were made mandatory where applicable (which is most of the endpoints)
3. The Open API spec based request validation test case has been moved to the new Corda v4.12 test case which now builds both the connector JVM app and the AIO image at runtime so that we can guarantee that the latest code changes are being verified.
4. Added quicker and easier steps in the readme of the corda connector to run trivy scans on the .jar files instead of the container images. The .jar files are 20x faster to build and scanning them instead of the container images doesn't suffer from the problem that the dev build dependencies are showing up in the scans (creating false positives)
5. Updated the CI to use the .jar file for scanning as well instead of the container image.

Signed-off-by: Peter Somogyvari peter.somogyvari@accenture.com

Pull Request Requirements

• [x] Rebased onto upstream/main branch and squashed into single commit to help maintainers review it more efficient and to avoid spaghetti git commit graphs that obfuscate which commit did exactly what change, when and, why.
• [x] Have git sign off at the end of commit message to avoid being marked red. You can add -s flag when using git commit command. You may refer to this link for more information.
• [x] Follow the Commit Linting specification. You may refer to this link for more information.

Character Limit

• [x] Pull Request Title and Commit Subject must not exceed 72 characters (including spaces and special characters).
• [x] Commit Message per line must not exceed 80 characters (including spaces and special characters).

A Must Read for Beginners For rebasing and squashing, here's a must read guide for beginners.

[petermetz]

@hyperledger/cacti-maintainers Apologies for the massive PR - most of the diff is the generated code but there's also quite a few manual changes that were hard to separate out due to the build level dependencies (Spring 3, JDK 17, etc). I already sent 5 or 6 smaller PRs leading up to this to try and make this one easier to review.