PEP 101: Update list of release managers (#4833)

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Author: savannahostrowski

.github/CODEOWNERS

@@ -50,7 +50,7 @@ peps/pep-0020.rst  @tim-one
 peps/pep-0042.rst  @jeremyhylton
 # ...
 peps/pep-0100.rst  @malemburg
-peps/pep-0101.rst  @hugovk @Yhg1s @pablogsal @ambv @ned-deily
+peps/pep-0101.rst  @savannahostrowski @hugovk @Yhg1s @pablogsal @ambv @ned-deily
 peps/pep-0102.rst  @warsaw @gvanrossum
 # peps/pep-0103.rst
 # ...

peps/pep-0101.rst

@@ -127,10 +127,10 @@ release.  The roles and their current experts are:
 
 * RM = Release Manager
 
+  - Savannah Ostrowski <savannah@python.org> (US)
   - Hugo van Kemenade <hugo@python.org> (FI)
   - Thomas Wouters <thomas@python.org> (NL)
   - Pablo Galindo Salgado <pablogsal@python.org> (UK)
-  - Łukasz Langa <lukasz@python.org> (PL)
 
 * WE = Windows - Steve Dower <steve.dower@python.org>
 * ME = Mac - Ned Deily <nad@python.org> (US)
@@ -157,8 +157,8 @@ As much as possible, the release is automated and guided by the
 `python/release-tools`_. This helps by automating many of the following steps,
 and guides you to perform some manual steps.
 
-- Log into Discord and join the Python Core Devs server. Ask Thomas
-  or Łukasz for an invite.
+- Log into Discord and join the Python Core Devs server. Ask another
+  RM for an invite.
 
   You probably need to coordinate with other people around the world.
   This communication channel is where we've arranged to meet.