sudo apt update --allow-releaseinfo-change

Author: FeodorFitsner

.appveyor.yml

@@ -222,7 +222,7 @@ for:
         - job_name: Build Flet for Linux
 
     install:
-      - sudo apt update
+      - sudo apt update --allow-releaseinfo-change
       - sudo apt install -y libgtk-3-dev libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libgstreamer-plugins-bad1.0-dev gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly gstreamer1.0-libav gstreamer1.0-doc gstreamer1.0-tools gstreamer1.0-x gstreamer1.0-alsa gstreamer1.0-gl gstreamer1.0-gtk3 gstreamer1.0-qt5 gstreamer1.0-pulseaudio
       - flutter upgrade
 
@@ -254,7 +254,7 @@ for:
 
     install:
       # Flutter SDK
-      - sudo apt update
+      - sudo apt update --allow-releaseinfo-change
       - sudo apt install -y clang libgtk-3-dev libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libgstreamer-plugins-bad1.0-dev gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly gstreamer1.0-libav gstreamer1.0-doc gstreamer1.0-tools gstreamer1.0-x gstreamer1.0-alsa gstreamer1.0-gl gstreamer1.0-gtk3 gstreamer1.0-qt5 gstreamer1.0-pulseaudio
       - git clone https://github.com/flutter/flutter.git -b stable "$HOME/flutter"
       - export PATH="$PATH:$HOME/flutter/bin"