[flutter_template_images] Fix maskable icons (#363)

diff --git a/packages/flutter_template_images/CHANGELOG.md b/packages/flutter_template_images/CHANGELOG.md
index 7e6b5f3..941ddba 100644
--- a/packages/flutter_template_images/CHANGELOG.md
+++ b/packages/flutter_template_images/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 3.0.1
+
+* Fix maskable icon file names
+* Fix maskable icon image dimensions
+
 ## 3.0.0
 
 * Reverts to the 1.0 layout, since the new app template never landed.
diff --git a/packages/flutter_template_images/pubspec.yaml b/packages/flutter_template_images/pubspec.yaml
index bef6096..275c003 100644
--- a/packages/flutter_template_images/pubspec.yaml
+++ b/packages/flutter_template_images/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_template_images
 description: Image files for use in flutter_tools templates.
-version: 3.0.0
+version: 3.0.1
 homepage: https://github.com/flutter/packages/tree/master/packages/flutter_template_images
 
 environment:
diff --git a/packages/flutter_template_images/templates/app/web/icons/Icon-maskable-192.png b/packages/flutter_template_images/templates/app/web/icons/Icon-maskable-192.png
new file mode 100644
index 0000000..eb9b4d7
--- /dev/null
+++ b/packages/flutter_template_images/templates/app/web/icons/Icon-maskable-192.png
Binary files differ
diff --git a/packages/flutter_template_images/templates/app/web/icons/Icon-maskable-192.png.copy.tmpl b/packages/flutter_template_images/templates/app/web/icons/Icon-maskable-192.png.copy.tmpl
deleted file mode 100644
index c9236db..0000000
--- a/packages/flutter_template_images/templates/app/web/icons/Icon-maskable-192.png.copy.tmpl
+++ /dev/null
Binary files differ
diff --git a/packages/flutter_template_images/templates/app/web/icons/Icon-maskable-512.png b/packages/flutter_template_images/templates/app/web/icons/Icon-maskable-512.png
new file mode 100644
index 0000000..d69c566
--- /dev/null
+++ b/packages/flutter_template_images/templates/app/web/icons/Icon-maskable-512.png
Binary files differ
diff --git a/packages/flutter_template_images/templates/app/web/icons/Icon-maskable-512.png.copy.tmpl b/packages/flutter_template_images/templates/app/web/icons/Icon-maskable-512.png.copy.tmpl
deleted file mode 100644
index 4068c4e..0000000
--- a/packages/flutter_template_images/templates/app/web/icons/Icon-maskable-512.png.copy.tmpl
+++ /dev/null
Binary files differ