update examples

deprecated/file_access/example/pubspec.yaml

@@ -2,6 +2,7 @@ name: example
 description: A new Flutter project.
 
 version: 1.0.0+1
+publish_to: 'none'
 
 environment:
   sdk: ">=2.1.0 <3.0.0"

deprecated/flutter_multi_window/example/pubspec.yaml

@@ -2,6 +2,7 @@ name: example
 description: A new Flutter project.
 
 version: 1.0.0+1
+publish_to: 'none'
 
 environment:
   sdk: ">=2.1.0 <3.0.0"

deprecated/flutter_wasm_interop/example/pubspec.yaml

@@ -2,6 +2,7 @@ name: example
 description: A new Flutter project.
 
 version: 1.0.0+1
+publish_to: 'none'
 
 environment:
   sdk: ">=2.1.0 <3.0.0"
@@ -20,4 +21,4 @@ dev_dependencies:
 flutter:
   uses-material-design: true
   assets:
-    - assets/add.wasm
+    - assets/add.wasm

deprecated/get_version/example/pubspec.yaml

@@ -1,5 +1,6 @@
 name: get_version_example
 description: Demonstrates how to use the get_version plugin.
+publish_to: 'none'
 
 dependencies:
   flutter:

deprecated/image_resizer/example/pubspec.yaml

@@ -1,6 +1,7 @@
 name: example
 description: A new Flutter project.
 version: 1.0.0+1
+publish_to: 'none'
 environment:
   sdk: ">=2.6.0 <3.0.0"
 

deprecated/navigation_rail/example/pubspec.yaml

@@ -2,6 +2,7 @@ name: example
 description: A new Flutter project.
 
 version: 1.0.0+1
+publish_to: 'none'
 
 environment:
   sdk: ">=2.1.0 <3.0.0"

deprecated/settings_manager/example/pubspec.yaml

@@ -1,6 +1,7 @@
 name: example
 description: An example of using the Settings Manager
 version: 1.0.0+1
+publish_to: 'none'
 environment:
   sdk: ">=2.1.0 <3.0.0"