ENH: Update requirements and OpenRocket version

[Gui-FernandesBR]

No description provided.

[Copilot]

Pull request overview

This PR updates the project’s OpenRocket integration by replacing orhelper with a custom JPype-based runtime and refreshes dependency/docs accordingly to support newer OpenRocket JARs.

Changes:

• Introduces a new JPype-based OpenRocketSession runtime and logic to auto-select the newest OpenRocket*.jar.
• Updates CLI and test harness to use the new runtime and pathlib.Path-based paths.
• Updates dependencies (jpype1) and documentation for Java/OpenRocket download guidance.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
tests/conftest.py	Switches acceptance fixture setup to use OpenRocketSession, Path, and zip-extraction helpers.
test_ork2json-debugger.py	Wraps debugger invocation in __main__ and calls Click command with args list.
rocketserializer/openrocket_runtime.py	Adds new JPype-backed OpenRocket runtime, jar selection, and Java compatibility helpers.
rocketserializer/cli.py	Replaces orhelper usage with OpenRocketSession and uses latest-jar selection when --ork_jar is omitted.
requirements.in	Drops orhelper and adds jpype1<1.5.
README.md	Updates Java/OpenRocket guidance and dependency list to match the new runtime.

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