PEP 808: Partially Dynamic Metadata (#4598)

Co-authored-by: Paul Moore <p.f.moore@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Cristian Le <github@lecris.me>

Author: 5 people

.github/CODEOWNERS

@@ -683,7 +683,7 @@ peps/pep-0804.rst  @pradyunsg
 # ...
 peps/pep-0806.rst  @JelleZijlstra
 peps/pep-0807.rst  @dstufft
-# ...
+peps/pep-0808.rst  @FFY00
 peps/pep-0809.rst  @zooba
 peps/pep-0810.rst  @pablogsal @DinoV @Yhg1s
 peps/pep-0811.rst  @sethmlarson @gpshead