Fix typos with codespell

Using codespell 2.3-dev from current git.

And fix typo in `methods.py` for `vsproj=yes` option (still won't work
though).

modules/gridmap/doc_classes/GridMap.xml

@@ -57,7 +57,7 @@
 			<return type="Basis" />
 			<param index="0" name="position" type="Vector3i" />
 			<description>
-				Returns the basis that gives the specificed cell its orientation.
+				Returns the basis that gives the specified cell its orientation.
 			</description>
 		</method>
 		<method name="get_cell_item_orientation" qualifiers="const">