Fix typos with codespell

Using codespell 1.17.1.

Method:
```
$ cat > ../godot-word-whitelist.txt << EOF
ang
curvelinear
dof
doubleclick
fave
findn
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/servers/rendering/rasterizer_rd/shaders/sdfgi_direct_light.glsl b/servers/rendering/rasterizer_rd/shaders/sdfgi_direct_light.glsl
index c4b29216d5..61e4bf5e18 100644
--- a/servers/rendering/rasterizer_rd/shaders/sdfgi_direct_light.glsl
+++ b/servers/rendering/rasterizer_rd/shaders/sdfgi_direct_light.glsl
@@ -22,7 +22,7 @@ dispatch_data;
 struct ProcessVoxel {
 	uint position; //xyz 7 bit packed, extra 11 bits for neigbours
 	uint albedo; //rgb bits 0-15 albedo, bits 16-21 are normal bits (set if geometry exists toward that side), extra 11 bits for neibhbours
-	uint light; //rgbe8985 encoded total saved light, extra 2 bits for neighbous
+	uint light; //rgbe8985 encoded total saved light, extra 2 bits for neighbours
 	uint light_aniso; //55555 light anisotropy, extra 2 bits for neighbours
 	//total neighbours: 26
 };