chore: dep updates

[glesage]

regular upgrades

[Copilot]

Pull request overview

This PR performs routine dependency upgrades for both the web and API projects and adjusts validation logic to align with the upgraded Zod major version.

Changes:

• Bumps several web dependencies/devDependencies (React, Atlaskit packages, Playwright, Biome, types) and syncs web/bun.lock.
• Bumps several API dependencies/devDependencies (rpc-websockets, @electric-sql/pglite, bun-types, @types/node, zod) and syncs api/bun.lock.
• Updates validateFlowData to use result.error.issues, matching the error shape of the upgraded Zod version.

Reviewed changes

Copilot reviewed 3 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
web/package.json	Updates web app runtime and tooling dependencies to newer patch/minor/major versions.
web/bun.lock	Regenerates lockfile entries to reflect updated web dependency graph (including Atlaskit and Playwright).
api/package.json	Updates API runtime and dev dependencies, notably upgrading Zod from v3 to v4 and rpc-websockets.
api/bun.lock	Regenerates API lockfile to align with bumped dependencies and the new Zod version.
api/src/validation.ts	Adjusts Zod error handling to use result.error.issues, ensuring validation error aggregation works correctly with the upgraded Zod.

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