fix(build): bump @design.estate/dees-domtools to ^2.3.7 and remove experimentalDecorators and useDefineForClassFields from tsconfig.json

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@design.estate/dees-element',
-  version: '2.1.4',
+  version: '2.1.5',
   description: 'A library for creating custom elements extending the lit element class with additional functionalities.'
 }