New node: 'String Capitalization' (#4043)

* New node: 'String Capitalization'

* Clarify comment

Cargo.lock

@@ -5497,6 +5497,7 @@ dependencies = [
 name = "text-nodes"
 version = "0.1.0"
 dependencies = [
+ "convert_case 0.8.0",
  "core-types",
  "dyn-any",
  "glam",
@@ -5507,7 +5508,9 @@ dependencies = [
  "serde",
  "serde_json",
  "skrifa 0.40.0",
+ "titlecase",
  "tsify",
+ "unicode-segmentation",
  "vector-types",
  "wasm-bindgen",
 ]
@@ -5675,6 +5678,15 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
+[[package]]
+name = "titlecase"
+version = "3.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb567088a91d59b492520c8149e2be5ce10d5deb2d9a383f3378df3259679d40"
+dependencies = [
+ "regex",
+]
+
 [[package]]
 name = "tokio"
 version = "1.47.1"
@@ -5992,9 +6004,9 @@ checksum = "9fb421b350c9aff471779e262955939f565ec18b86c15364e6bdf0d662ca7c1f"
 
 [[package]]
 name = "unicode-segmentation"
-version = "1.12.0"
+version = "1.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
+checksum = "9629274872b2bfaf8d66f5f15725007f635594914870f65218920345aa11aa8c"
 
 [[package]]
 name = "unicode-vo"