deps: fix unpinned playwright

[qw-in]

Resolve threads in #833 from @phil-arcjet and pin the playwright dependency.

@phil-arcjet please check that your agent isn't ignoring these threads without telling you:

1. deps: update playwright to fix CI #833 (comment)
2. deps: update playwright to fix CI #833 (comment)
3. deps: update playwright to fix CI #833 (comment)
4. deps: update playwright to fix CI #833 (comment)

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Project	Deployment	Actions	Updated (UTC)
arcjet-docs	Ready	Preview, Comment	Jun 12, 2026 9:10pm

[arcjet-review]

Arcjet Review — 🟢 Low Risk

Decision: Approved

Rationale: Trivial devDependency change pinning @playwright/test and playwright from ^1.60.0 to exact 1.60.0. This is a supply-chain hardening improvement that reduces unexpected version drift. No runtime/production impact (devDependencies only), no code changes, no security concerns.

Summary of Changes

Pins @playwright/test and playwright devDependencies to exact 1.60.0 instead of using the caret range.

Escalation Triggers

• Dependency Changes: package.json modified — devDependency version ranges tightened to exact versions

Notes

Although the dependency-changes trigger fires, this PR only narrows existing version ranges to pinned versions (a security/reproducibility improvement) rather than adding/upgrading packages. Approving despite the trigger.

Path filtering: 1 file excluded by ignore paths. 1 of 2 files included in review.

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