Add CODEOWNERS for Python/_strptime.c (#160820)

Author: StanFromIreland

.github/CODEOWNERS

@@ -432,6 +432,7 @@ Lib/test/test_*time.py           @pganssle @StanFromIreland
 Modules/*zoneinfo*               @pganssle @StanFromIreland
 Modules/*time*                   @pganssle @StanFromIreland
 Python/pytime.c                  @pganssle @StanFromIreland
+Python/_strptime.c               @pganssle @StanFromIreland
 
 # Dbm
 Doc/library/dbm.rst           @corona10 @erlend-aasland @serhiy-storchaka

Python/README

@@ -1 +1 @@
-Miscellaneous source files for the main Python shared library
+Miscellaneous source files for the main Python shared library.

Python/_strptime.c

@@ -9,6 +9,7 @@
  * - numeric %Y, %y, %m, %d, %H, %M, %S, and %f fields;
  * - a terminal %z: empty, Z, or +/-HHMM or +/-HH:MM with hours below 24;
  * - literal characters, %%, and ASCII whitespace.
+ *
  * Duplicate directives, mixed %Y/%y, and day-of-month without a year use the
  * fallback. So do other directives (including locale-dependent names and
  * week/day-of-year calculations), and offsets with seconds or fractions.