[3.10] Fix typos in the Lib directory (GH-28775) (GH-28804)

Fix typos in the Lib directory as identified by codespell.

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>.
(cherry picked from commit 745c9d9dfc1ad6fdfdf1d07420c6273ff67fa5be)

Co-authored-by: Christian Clauss <cclauss@me.com>
diff --git a/Lib/pickle.py b/Lib/pickle.py
index 5ab312f..e7f30f2 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -1173,7 +1173,7 @@ def __init__(self, file, *, fix_imports=True,
         used in Python 3.  The *encoding* and *errors* tell pickle how
         to decode 8-bit string instances pickled by Python 2; these
         default to 'ASCII' and 'strict', respectively. *encoding* can be
-        'bytes' to read theses 8-bit string instances as bytes objects.
+        'bytes' to read these 8-bit string instances as bytes objects.
         """
         self._buffers = iter(buffers) if buffers is not None else None
         self._file_readline = file.readline