Track oxc changes up to the latest release tags

[bachmacintosh]

Summary

• Renovate: removes the packageRules entry that updated oxfmt, oxlint and oxlint-tsgolint as soon as releases passed minimumReleaseAge. They now follow the shared preset's normal schedule.
• scripts/oxc-version-diff.ts: the upper bound is now the newest oxlint_v* / oxfmt_v* tag in oxc-project/oxc (from git ls-remote) that's also published on npm, not our devDependency. The script installs both the peer-floor and the latest versions into a temp directory and diffs the catalog and schemas between them. The report adds a "Latest release" column and a "Releases in range" section that links each release to its GitHub release. It uses the apps_v* tag when oxlint and oxfmt shipped from the same commit, and marks releases that aren't in devDependencies yet. If a tag isn't on npm yet, that release is left out and the report notes it. If the tags can't be listed, the script falls back to npm's latest dist-tag and notes that too.
• oxc-peer-tracker skill: describes the new range and when to refresh. It also adds a CI preview step: when the latest release is newer than devDependencies, it runs the pr.yml CI steps against the latest versions in a throwaway git worktree and records any failure in the issue.
• Issue template: new title ("…between peerDependencies and the latest releases"), a "Latest release" column, a "(not in devDependencies yet)" marker, a "CI preview with the latest releases" line, and a note that the peer floor can only go up to what devDependencies (and so CI) run. The skill finds the issue by its marker and renames it from the old title on the next refresh.

Testing

• pnpm typecheck, pnpm lint, pnpm format:check and pnpm test all pass.
• Ran the script with the current versions: the range is empty because peer = dev = latest (oxlint 1.88.0, oxfmt 0.73.0).
• Temporarily lowered the peer ranges to ^1.83.0 / >=0.68.0 <1: the script listed releases 1.84.0–1.88.0 and 0.69.0–0.73.0 with the right tags (apps_v1.84.0 for both tools' combined release) and gave the expected catalog and schema diffs.
• Forced git ls-remote to fail: the script fell back to npm's latest dist-tag and noted it in the report.
• Tested the CI-preview worktree commands by pinning oxlint to 1.87.0. They caught the real typecheck/lint failure on unicorn/prefer-query-selector options, and the main checkout stayed untouched.

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