Fix pubspec quotes

Author: bkonyi

dwds/pubspec.yaml

@@ -15,8 +15,8 @@ dependencies:
   built_value: ^8.3.0
   collection: ^1.15.0
   crypto: ^3.0.2
-  dds: ">=4.2.5 <6.0.0"
-  file: ">=6.1.4 <8.0.0"
+  dds: '>=4.2.5 <6.0.0'
+  file: '>=6.1.4 <8.0.0'
   http: ^1.0.0
   http_multi_server: ^3.2.0
   logging: ^1.0.2
@@ -29,15 +29,15 @@ dependencies:
   shelf_packages_handler: ^3.0.0
   shelf_proxy: ^1.0.4
   shelf_static: ^1.1.0
-  shelf_web_socket: ">=2.0.0 <4.0.0"
+  shelf_web_socket: '>=2.0.0 <4.0.0'
   source_maps: ^0.10.10
   stack_trace: ^1.10.0
   stream_channel: ^2.1.2
   sse: ^4.1.2
   uuid: ^4.0.0
-  vm_service: ">=14.2.4 <16.0.0"
+  vm_service: '>=14.2.4 <16.0.0'
   vm_service_interface: ^2.0.1
-  web_socket_channel: ">=2.2.0 <4.0.0"
+  web_socket_channel: '>=2.2.0 <4.0.0'
   web: ^1.1.0
   webkit_inspection_protocol: ^1.0.1
 
@@ -55,7 +55,7 @@ dev_dependencies:
   frontend_server_common:
     path: ../frontend_server_common
   io: ^1.0.5
-  js: ">=0.6.4 <0.8.0"
+  js: '>=0.6.4 <0.8.0'
   pubspec_parse: ^1.2.0
   puppeteer: ^3.1.1
   test: ^1.21.6