multiprocessing.spawn doc: Capitalize the p in "Python" (gh-94462)

(cherry picked from commit 62bb7a3)

Co-authored-by: Mariatta Wijaya <[email protected]>

Doc/library/multiprocessing.rst

@@ -96,7 +96,7 @@ Depending on the platform, :mod:`multiprocessing` supports three ways
 to start a process.  These *start methods* are
 
   *spawn*
-    The parent process starts a fresh python interpreter process.  The
+    The parent process starts a fresh Python interpreter process.  The
     child process will only inherit those resources necessary to run
     the process object's :meth:`~Process.run` method.  In particular,
     unnecessary file descriptors and handles from the parent process