JICMP-27: Compile with OpenJDK 17

[indigo423]

Migrate javah to javac -h to compile with modern JDK. The javah tool to generate native-headers is removed in OpenJDK 10+ and replaced with javac -h. See JEP 313.

JIRA: https://opennms.atlassian.net/browse/JICMP-27

[Copilot]

Pull request overview

This PR updates the project to compile with OpenJDK 17, replacing the deprecated javah tool with javac -h for generating native headers. The changes upgrade build tools, CI configuration, and developer email information to support the modern JDK version.

Changes:

• Updated Maven plugins and dependencies to versions compatible with OpenJDK 17
• Migrated CI/CD configuration from OpenJDK 8 to OpenJDK 17
• Updated email address for developer Ronny Trommer

Reviewed changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated 1 comment.

File	Description
pom.xml.in	Updated Maven plugins, changed execution environment to JavaSE-17, and replaced source/target with release configuration
m4	Updated submodule commit reference
.circleci/config.yml	Updated CI images and JDK versions from 8 to 17, changed Debian from buster to bookworm, and updated repository URLs to HTTPS

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