feat: upgrade deno_std to v0.214.0

[bajtos]

Release notes:

• https://github.com/denoland/deno_std/releases/tag/0.208.0
• https://github.com/denoland/deno_std/releases/tag/0.209.0
• https://github.com/denoland/deno_std/releases/tag/0.210.0
• https://github.com/denoland/deno_std/releases/tag/0.211.0
• https://github.com/denoland/deno_std/releases/tag/0.212.0
• https://github.com/denoland/deno_std/releases/tag/0.213.0
• https://github.com/denoland/deno_std/releases/tag/0.214.0

[bajtos]

@juliangruber hindsight please 🙏🏻