- Make getNextPageUrlFromLinkHeader RFC 8288 compliant by splitting
link-values and checking for rel=next anywhere in the parameters,
not just as the first parameter after the semicolon.
- Add validatePaginationUrl utility to reject pagination URLs that
point to unexpected origins (SSRF mitigation).
- Centralize MAX_PAGINATION_PAGES in util.ts instead of duplicating
across Adopt, Semeru, and Temurin installers.
- Add tests for rel not being the first parameter, and for URL
origin validation.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>