chore: Upgrade Babel tooling to 7.29.7

[mrousavy]

Summary

• Upgrade the example app's Babel toolchain to the latest stable 7.x releases: @babel/core, @babel/preset-env, and @babel/runtime 7.29.7.
• Upgrade the tied Babel config helper babel-plugin-module-resolver to 5.0.3.
• Refresh bun.lock for the expanded Babel helper/plugin dependency graph.

Changelog notes

• Babel 7.29.7 keeps the project on the stable latest tag; Babel 8 remains on the next tag.
• The preset-env update brings newer compat data/polyfill helper ranges and a Safari rest destructuring bugfix plugin.
• The existing example/babel.config.js still works as-is; no config migration was needed.

Validation

• bun install --ignore-scripts
• bun example typecheck
• node -e "...babel.transformSync(... configFile: './babel.config.js')" in example
• git diff --check

Note: the Babel transform prints the existing baseline-browser-mapping stale data advisory from the toolchain.

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Project	Deployment	Actions	Updated (UTC)
nitro-docs	Ready	Preview, Comment	May 28, 2026 10:09am