Launchpad publishing + Gradle 9 + Java 25

Fix and improvements:

• Add support for Java 25 (and all previous versions up to 8)
• Update JD-Core to 1.2.3 (published in GitHub maven registry)
• Update dependencies & gradle wrapper
• Fix gradle 9 deprecations
• Fix Debian packaging & publishing for launchpad again (finally)
• Add GitHub Actions for building & publishing to launchpad

NOTE: I'm now publishing GitHub Actions builds in every release. The deb, rpm and AppImage packages are from the oldest supported Ubuntu version (currently jammy) and Java 17.

Full Changelog: v1.7.2...v1.7.3

Linux packaging + fixed tests Java 21

• Fixed linux packaging for PPA & better publishing
• Re-enable tests & bump to preferred java 1.8 minimum for Java 17 & 21 builds (support Java 8 minimum)
• Fix test classes & line number + remove 3 jar tests for Java 21 builds
• Update gradle wrapper

For the binaries, deb files & rpm have been reworked (because they are linked indirectly by the same task)

Global overhaul + update dependencies + publish PPA

• Fix builds for windows & linux
• Better linux packaging with debian files
• Use DSL version of gradle build & cleanup
• Update gradle wrapper
• Update license for original author copyright
• Move repo to QuentiumYT & update README

Revive project + merged some PR + update dependencies

• Fix links handling with tabs having empty paths (e.g. created from clipboard)
• Add support for CND (Apache Jackrabbit), Drools and Groovy files
• Select previously selected term for combobox GUI
• Update universalJavaApplicationStub
• Update gradle wrapper
• Fix OSX apple error