Bump file,process,platform to newest versions (#11211)

dev/devicelab/pubspec.yaml

@@ -9,12 +9,12 @@ environment:
 
 dependencies:
   args: ^0.13.4
-  file: 2.3.3
+  file: 2.3.4
   image: ^1.1.27
   meta: ^1.0.5
   path: ^1.4.0
-  platform: 2.1.0
-  process: 2.0.4
+  platform: 2.1.1
+  process: 2.0.5
   stack_trace: ^1.4.0
   vm_service_client: '0.2.2+4'
 

packages/flutter_driver/pubspec.yaml

@@ -8,7 +8,7 @@ environment:
   sdk: '>=1.19.0 <2.0.0'
 
 dependencies:
-  file: 2.3.3
+  file: 2.3.4
   json_rpc_2: '^2.0.0'
   matcher: '>=0.12.0 <1.0.0'
   meta: ^1.0.5

packages/flutter_tools/pubspec.yaml

@@ -11,7 +11,7 @@ dependencies:
   args: ^0.13.4
   coverage: ^0.9.2
   crypto: '>=1.1.1 <3.0.0'
-  file: 2.3.3
+  file: 2.3.4
   http: ^0.11.3+12
   intl: '>=0.14.0 <0.16.0'
   json_rpc_2: ^2.0.0
@@ -20,8 +20,8 @@ dependencies:
   meta: ^1.0.5
   mustache: ^0.2.5
   package_config: '>=0.1.5 <2.0.0'
-  platform: 2.1.0
-  process: 2.0.4
+  platform: 2.1.1
+  process: 2.0.5
   quiver: ^0.24.0
   stack_trace: ^1.4.0
   usage: ^3.2.0+1