Make gdb/python codespell-clean

This cleans up the last codespell report in the Python directory and
adds gdb/python to pre-commit.

Approved-By: Tom de Vries <tdevries@suse.de>

.pre-commit-config.yaml

@@ -69,7 +69,7 @@ repos:
     rev: v2.4.1
     hooks:
     - id: codespell
-      files: '^(gdbsupport|gdbserver|gdb/(tui|target|data-directory|po|system-gdbinit|mi|syscalls|arch|regformats|compile))/'
+      files: '^(gdbsupport|gdbserver|gdb/(tui|target|data-directory|po|system-gdbinit|mi|syscalls|arch|regformats|compile|python))/'
       args: [--config, gdb/contrib/setup.cfg]
   - repo: local
     hooks:

gdb/python/lib/gdb/dap/scopes.py

@@ -22,7 +22,7 @@ from .sources import make_source
 from .startup import in_gdb_thread
 from .varref import BaseReference
 
-# Map DAP frame IDs to scopes.  This ensures that scopes are re-used.
+# Map DAP frame IDs to scopes.  This ensures that scopes are reused.
 frame_to_scope = {}