Bump lightningcss (#77132)

Changelog:
https://github.com/parcel-bundler/lightningcss/releases/tag/v1.29.3

Notably, closes #76632

Author: mischnic

Cargo.lock

@@ -359,7 +359,7 @@ indoc = "2.0.0"
 itertools = "0.10.5"
 lazy_static = "1.4.0"
 log = "0.4.17"
-lightningcss = { version = "1.0.0-alpha.64", features = [
+lightningcss = { version = "1.0.0-alpha.65", features = [
   "serde",
   "visitor",
   "into_owned",