BREAKING CHANGE: Remove Java 11 support

[curfew-marathon]

Java 17 is now the minimum required version

• Updated build.gradle to set sourceCompatibility and targetCompatibility to Java 17
• Updated GitHub Actions workflow to test on Java 17 and 21 only
• Removed Java 11 from CI/CD test matrix
• Updated all workflow jobs to use Java 17 as the base version

Summary by CodeRabbit

• Chores
  • Updated Java toolchain configuration to require Java 17 as the minimum version. Java 11 support has been removed.
  • Modernized continuous integration pipeline by consolidating Java version matrix to Java 17 and 21.
  • Aligned all build and publish workflows to use Java 17.

[dosubot]

Related Documentation

Checked 7 published document(s) in 1 knowledge base(s). No updates required.

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Walkthrough

Updates Java version requirement across CI workflows and build configuration, removing Java 11 support and setting Java 17 as the minimum version for compilation and testing.

Changes

Cohort / File(s)	Summary
CI Workflow Configuration .github/workflows/main.yaml	Reduces Java test matrix from [11, 17, 21] to [17, 21]; updates coverage upload condition from Java 11 to Java 17; changes Java version to 17 in test and publish workflows.
Build Configuration build.gradle	Updates sourceCompatibility and targetCompatibility from JavaVersion.VERSION_11 to JavaVersion.VERSION_17.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

Possibly related PRs

• chore(ci): updates CI to change the OSSRH env vars & honor pre-releases #179: Modifies GitHub Actions CI workflow Java version matrix and related Java tooling settings.
• release: v0.8.2 #180: Updates GitHub Actions Java version matrix in .github/workflows/main.yaml.

Suggested reviewers

• jimmyjames

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and specifically describes the main change: removing Java 11 support and establishing Java 17 as the minimum version, which aligns with all modifications across build.gradle and CI workflows.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch breaking/remove-java-11-support

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 37.70%. Comparing base (8320174) to head (2d7bcde).

Additional details and impacted files

@@ Coverage Diff @@## main #282 +/- ##
=========================================
Coverage 37.70% 37.70% Complexity 1236 1236 =========================================
Files 197 197 Lines 7609 7609 Branches 880 880 =========================================
Hits 2869 2869 Misses 4601 4601 Partials 139 139 

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[jimmyjames]

we should update the README to note the changed minimum java support version, and maybe note we officially support the latest two LTS versions and others are best-effort. If needed we can do a fast-follow with this if needed

[rhamzeh]

Please do not forget to update the changelog to note down this change