Update current RMs listed in PEP 101

Author: savannahostrowski

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)