build: add tomlkit to dependencies

uv.lock

@@ -170,6 +170,7 @@ dependencies = [
     { name = "psutil" },
     { name = "pywayland" },
     { name = "six" },
+    { name = "tomlkit" },
 ]
 
 [package.dev-dependencies]
@@ -186,6 +187,7 @@ requires-dist = [
     { name = "psutil", specifier = ">=7.2.2" },
     { name = "pywayland", specifier = ">=0.4.18" },
     { name = "six", specifier = ">=1.17.0" },
+    { name = "tomlkit", specifier = ">=0.15.0" },
 ]
 
 [package.metadata.requires-dev]
@@ -351,6 +353,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/b7/ce/149a00dd41f10bc29e5921b496af8b574d8413afcd5e30dfa0ed46c2cc5e/six-1.17.0-py2.py3-none-any.whl", hash = "sha256:4721f391ed90541fddacab5acf947aa0d3dc7d27b2e1e8eda2be8970586c3274", size = 11050, upload-time = "2024-12-04T17:35:26.475Z" },
 ]
 
+[[package]]
+name = "tomlkit"
+version = "0.15.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/51/db/03eaf4331631ef6b27d6e3c9b68c54dc6f0d63d87201fed600cc409307fd/tomlkit-0.15.0.tar.gz", hash = "sha256:7d1a9ecba3086638211b13814ea79c90dd54dd11993564376f3aa92271f5c7a3", size = 161875, upload-time = "2026-05-10T07:38:22.245Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/6a/43/8bd850ee71a191bf072e31302c73a66be413fecdd98fdcd111ecbcce13ca/tomlkit-0.15.0-py3-none-any.whl", hash = "sha256:4dbc8f0fc024412b57ced8757ac7461305126a648ff8c2c807fcb8e133a78738", size = 41328, upload-time = "2026-05-10T07:38:23.517Z" },
+]
+
 [[package]]
 name = "win32-setctime"
 version = "1.2.0"