feat(theme): update theme to new token structure and attribute based syntax (#2004)

Co-authored-by: Daniel Leroux <[email protected]>

Author: nuke-ellington

.changeset/breezy-falcons-drive.md

@@ -0,0 +1,5 @@
+---
+"@siemens/ix": minor
+---
+
+Update theme files to new token structure and add support for new theming syntax (__data-ix-theme__, __data-ix-color-schema__).

packages/aggrid/package.json

@@ -22,7 +22,7 @@
     "host-root": "http-server -a 127.0.0.1"
   },
   "devDependencies": {
-    "@playwright/test": "^1.49.1",
+    "@playwright/test": "^1.54.1",
     "@siemens/ix": "workspace:*",
     "@siemens/ix-icons": "^3.0.0",
     "@types/gulp": "^4.0.14",