ci(workflow): Enhance desktop build process and add Linux variants

[rainxchzed]

This commit improves the build-desktop-platforms GitHub Actions workflow by centralizing configurations, enabling Gradle caching features, and expanding Linux build compatibility.

• feat(ci): Introduced a build matrix for the Linux job to produce two .deb package variants:
  • A modern version built on ubuntu-latest (24.04) for newer distributions.
  • A debian12-compat version built on ubuntu-22.04 for broader compatibility with older systems like Debian 12.
• refactor(ci): Centralized common settings like JAVA_VERSION and JAVA_DISTRIBUTION into a global env block for easier maintenance.
• perf(ci): Enabled Gradle's configuration cache (-Dorg.gradle.configuration-cache=true) and secure remote build cache (cache-encryption-key) to accelerate build times. Removed redundant --no-daemon and --parallel flags from Gradle commands as they are now managed via GRADLE_OPTS.

Summary by CodeRabbit

• Chores
  • Improved build infrastructure for better reliability across all platforms
  • Enhanced Linux build support for additional OS variants (ubuntu-latest and ubuntu-22.04)
  • Streamlined cross-platform build configuration for consistent deployment experience

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

This pull request centralizes Java and Gradle configuration in a GitHub Actions workflow by introducing global environment variables, adding retry mechanisms to build steps, and implementing a matrix strategy for Linux builds with multiple OS variants (ubuntu-latest and ubuntu-22.04). The workflow now drives platform-specific JDK setup through environment variables instead of hard-coded values.

Changes

Cohort / File(s)

Summary

GitHub Actions Workflow Configuration .github/workflows/build-desktop-platforms.yml

Centralized Java/Gradle environment variables (JAVA_VERSION, JAVA_DISTRIBUTION, GRADLE_OPTS), added cache-encryption-key to Setup Gradle step, replaced hard-coded JDK setup values with environment-driven config across Windows/macOS/Linux, introduced retry mechanisms for build steps (removed explicit --no-daemon and --parallel flags), extended Linux builds with matrix strategy for OS variants (ubuntu-latest and ubuntu-22.04 with debian12-compat label), and updated Linux installer artifact naming to reflect matrix labels.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• PR #151: Modifies the same workflow file with overlapping changes to Java/Gradle setup and platform matrix definitions across build jobs.
• PR #115: Updates the same GitHub Actions workflow with similar matrix-based build modifications, artifact naming adjustments, and retry/packaging behavior changes.

Poem

🐰 Workflows now dance with variables so clear,
Matrix strategies blooming far and near,
Retries whisper softly through the build,
Gradle's cache grows as dreams are fulfilled,
Cross-platform harmony, at last we cheer! 🎉

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch debian12-compatibility-fix

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