Example project: zip END header not found

I am getting this error when running the example folder

```dart
Launching lib/main.dart on SM S916B in debug mode...
Running Gradle task 'assembleDebug'...
Exception in thread "main" java.util.zip.ZipException: zip END header not found
at java.base/java.util.zip.ZipFile$Source.findEND(Unknown Source)
at java.base/java.util.zip.ZipFile$Source.initCEN(Unknown Source)
at java.base/java.util.zip.ZipFile$Source.(Unknown Source)
at java.base/java.util.zip.ZipFile$Source.get(Unknown Source)
at java.base/java.util.zip.ZipFile$CleanableResource.(Unknown Source)
at java.base/java.util.zip.ZipFile.(Unknown Source)
at java.base/java.util.zip.ZipFile.(Unknown Source)
at java.base/java.util.zip.ZipFile.(Unknown Source)
at org.gradle.wrapper.Install.unzip(Install.java:214)
at org.gradle.wrapper.Install.access$600(Install.java:27)
at org.gradle.wrapper.Install$1.call(Install.java:74)
at org.gradle.wrapper.Install$1.call(Install.java:48)
at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:65)
at org.gradle.wrapper.Install.createDist(Install.java:48)
at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:128)
at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)
Error: Gradle task assembleDebug failed with exit code 1
```