[jdubois]

Description:
Fix JetBrains Runtime release pagination so client-side stable/EA filtering cannot be mistaken for the end of the GitHub result set.

• Follow GitHub's validated rel="next" link and stop only when the raw page is empty or GitHub provides no next page.
• Continue after non-empty pages containing only the opposite release class.
• Bound requests with MAX_PAGINATION_PAGES and warn if the limit is reached.
• Preserve the existing stable/EA filter, hidden legacy releases, GITHUB_TOKEN behavior, asset probing, and platform/architecture mapping.
• Add stable and EA regression cases plus raw-page termination, pagination-cap, and unexpected-origin coverage.
• Regenerate dist/setup from the fork workflow's uploaded build artifact.

Related issue:
Closes #1215

Validation:

• Fork Check dist/ workflow: https://github.com/jdubois/setup-java/actions/runs/31011030734
• Fork targeted and full validation workflow: https://github.com/jdubois/setup-java/actions/runs/31011218938
  • Targeted JetBrains distributor tests passed.
  • Full basic validation passed on Ubuntu, macOS, and Windows.
  • Formatting, lint, build, full tests, and the committed dist/ check passed.
• The configured local package proxy does not contain locked package brace-expansion@5.0.9, so validation ran on GitHub-hosted runners without changing dependencies.

Check list:

• Ran npm run check locally (format, lint, build, test) and all checks pass. (Blocked by the configured package proxy; equivalent validation passed on GitHub-hosted runners.)
• Documentation changes are not required.
• Tests were added or updated to cover the changes.

[Copilot]

Pull request overview

Fixes JetBrains Runtime release pagination so that stable/EA filtering does not incorrectly terminate pagination when a non-empty GitHub releases page contains only the opposite release class.

Changes:

• Switch JetBrainsRuntime release listing to follow GitHub’s Link: rel="next" pagination instead of page= indexing, terminating only on an empty raw page or missing next link.
• Add origin validation for pagination links and a MAX_PAGINATION_PAGES safeguard warning/termination.
• Add regression tests covering stable-after-prerelease, EA-after-stable, raw empty-page termination, safeguard limit, and unexpected-origin pagination links; regenerate dist/setup.

Show a summary per file

File	Description
src/distributions/jetbrains/installer.ts	Implements rel="next"-driven pagination with origin validation and a page-count safeguard while preserving stable/EA filtering behavior.
tests/distributors/jetbrains-installer.test.ts	Adds targeted regression tests to ensure pagination continues across non-matching pages and terminates only on true end-of-pagination conditions/safeguards.
dist/setup/282.index.js	Regenerated build output reflecting the updated JetBrains pagination logic.

Review details

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• Files reviewed: 2/3 changed files
• Comments generated: 0
• Review effort level: Lite