PEP 660: Mark as Final (#2664)

This PEP has been implemented across multiple tools now.

Author: pradyunsg

pep-0660.rst

@@ -3,7 +3,7 @@ Title: Editable installs for pyproject.toml based builds (wheel based)
 Author: Daniel Holth <[email protected]>, Stéphane Bidoul <[email protected]>
 Sponsor: Paul Moore <[email protected]>
 Discussions-To: https://discuss.python.org/t/draft-pep-editable-installs-for-pep-517-style-build-backends/8510
-Status: Accepted
+Status: Final
 Type: Standards Track
 Topic: Packaging
 Content-Type: text/x-rst