Fix typos with codespell

Using codespell 1.15.0.

Method:
```
$ cat > ../godot-word-whitelist.txt << EOF
ang
curvelinear
doubleclick
leapyear
lod
merchantibility
nd
numer
ois
ony
que
seeked
synching
te
uint
unselect
webp
EOF

$ codespell -w -q 3 -I ../godot-word-whitelist.txt --skip="./thirdparty,*.po"
$ git diff // undo unwanted changes
```

1 files changed, 1 insertions, 1 deletions

diff --git a/scene/animation/animation_player.cpp b/scene/animation/animation_player.cpp
index ead3516116..a5955d57f7 100644
--- a/scene/animation/animation_player.cpp
+++ b/scene/animation/animation_player.cpp
@@ -1200,7 +1200,7 @@ void AnimationPlayer::play(const StringName &p_name, float p_custom_blend, float
 			// Animation reset BUT played backwards, set position to the end
 			c.current.pos = c.current.from->animation->get_length();
 		} else if (!p_from_end && c.current.pos == c.current.from->animation->get_length()) {
-			// Animation resumed but already ended, set position to the beggining
+			// Animation resumed but already ended, set position to the beginning
 			c.current.pos = 0;
 		}
 	}