Mark 3.14 PEPs as Final

[hugovk]

Here's the accepted PEPs targeting 3.14 which made the beta feature freeze:

• PEP-739 build-details.json 1.0 — a static description file for Python build details @FFY00
• PEP-749 Implementing PEP 649 @JelleZijlstra (let's also update PEP-649)
• PEP-750 Template Strings - let's wait until it's documented (python/cpython#132661 / t-strings/help#2)
• PEP-758 Allow except and except* expressions without parentheses @pablogsal @brettcannon
• PEP-768 Safe external debugger interface for CPython @pablogsal @godlygeek @ivonastojanovic

Please can the authors read the "Mark as Final" checklist then open PRs to update the status?

Thank you!

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See also:

• Mark 3.13 PEPs as Final #3781
• Mark 3.12 PEPs as Final #3817