Example app build failed

[nikto-b]

Describe the bug
Failed to build example

To Reproduce
Steps to reproduce the behavior:

1. clone this repo
2. cd to example
3. flutter run
4. See error

Smartphone (please complete the following information):

• Device: Google Pixel 4 XL
• OS: Android 11

Additional context
Flutter version: 2.0.6

Stacktrace:

                                                                        
FAILURE: Build failed with an exception.                                
                                                                        
* What went wrong:                                                      
Execution failed for task ':app:processDebugResources'.                 
> Android resource linking failed                                       
  Output:  /tmp/rubber/example/build/app/intermediates/incremental/mergeDebugResources/merged.dir/values/values.xml:86: error: resource android:attr/fontVariationSettings not found.
  /tmp/rubber/example/build/app/intermediates/incremental/mergeDebugResources/merged.dir/values/values.xml:87: error: resource android:attr/ttcIndex not found.
  error: failed linking references.                                     
                                                                        
  Command: /home/nikto_b/.gradle/caches/transforms-1/files-1.1/aapt2-3.2.1-4818971-linux.jar/2ff17d3944c8c56908a8c6111bdccaa8/aapt2-3.2.1-4818971-linux/aapt2 link -I\
          /data/nikto_b/Android/SDK/platforms/android-27/android.jar\   
          --manifest\                                                   
          /tmp/rubber/example/build/app/intermediates/merged_manifests/debug/processDebugManifest/merged/AndroidManifest.xml\
          -o\                                                           
          /tmp/rubber/example/build/app/intermediates/processed_res/debug/processDebugResources/out/resources-debug.ap_\
          -R\                                                           
          @/tmp/rubber/example/build/app/intermediates/incremental/processDebugResources/resources-list-for-resources-debug.ap_.txt\
          --auto-add-overlay\                                           
          --java\                                                       
          /tmp/rubber/example/build/app/generated/not_namespaced_r_class_sources/debug/processDebugResources/r\
          --custom-package\                                             
          app.mattiacrovero.example\                                    
          -0\                                                           
          apk\                                                          
          --output-text-symbols\                                        
          /tmp/rubber/example/build/app/intermediates/symbols/debug/R.txt\
          --no-version-vectors                                          
  Daemon:  AAPT2 aapt2-3.2.1-4818971-linux Daemon #0                    
  Output:  /home/nikto_b/.gradle/caches/transforms-1/files-1.1/core-1.1.0.aar/bfcc3332caf165a9c90656c3cb3305cd/res/values/values.xml:174:5-210:25: AAPT: error: resource android:attr/fontVariationSettings not found.
                                                                        
  /home/nikto_b/.gradle/caches/transforms-1/files-1.1/core-1.1.0.aar/bfcc3332caf165a9c90656c3cb3305cd/res/values/values.xml:174:5-210:25: AAPT: error: resource android:attr/ttcIndex not found.
                                                                        
  error: failed linking references.                                     
  Command: /home/nikto_b/.gradle/caches/transforms-1/files-1.1/aapt2-3.2.1-4818971-linux.jar/2ff17d3944c8c56908a8c6111bdccaa8/aapt2-3.2.1-4818971-linux/aapt2 link -I\
          /data/nikto_b/Android/SDK/platforms/android-27/android.jar\   
          --manifest\                                                   
          /tmp/rubber/example/build/app/intermediates/merged_manifests/debug/processDebugManifest/merged/AndroidManifest.xml\
          -o\                                                           
          /tmp/rubber/example/build/app/intermediates/processed_res/debug/processDebugResources/out/resources-debug.ap_\
          -R\                                                           
          @/tmp/rubber/example/build/app/intermediates/incremental/processDebugResources/resources-list-for-resources-debug.ap_.txt\
          --auto-add-overlay\                                           
          --java\                                                       
          /tmp/rubber/example/build/app/generated/not_namespaced_r_class_sources/debug/processDebugResources/r\
          --custom-package\                                             
          app.mattiacrovero.example\                                    
          -0\                                                           
          apk\                                                          
          --output-text-symbols\                                        
          /tmp/rubber/example/build/app/intermediates/symbols/debug/R.txt\
          --no-version-vectors                                          
  Daemon:  AAPT2 aapt2-3.2.1-4818971-linux Daemon #0                    
                                                                        
* Try:                                                                  
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* Get more help at https://help.gradle.org                              
                                                                        
BUILD FAILED in 10m 21s