Remove JDK 11 from root pom

[jtuglu1]

Description

V35 removed support for JDK 11. This ensures using proper maven compiler version.

Release note

Switch to using JDK 17 Maven compiler version

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This PR has:

• been self-reviewed.
  • using the concurrency checklist (Remove this item if the PR doesn't have any relation to concurrency.)
• added documentation for new or modified features or behaviors.
• a release note entry in the PR description.
• added Javadocs for most classes and all non-trivial methods. Linked related entities via Javadoc links.
• added or updated version, license, or notice information in licenses.yaml
• added comments explaining the "why" and the intent of the code wherever would not be obvious for an unfamiliar reader.
• added unit tests or modified existing tests to cover new code paths, ensuring the threshold for code coverage is met.
• added integration tests.
• been tested in a test Druid cluster.

[cryptoe]

+1 after CI passes.

[jtuglu1]

Looks like this compiler change has caused some reproducible test failures.

Edit: I think the errors are actually introduced from this commit. Applying Gian's patch.