upgrade imagemagick version

Author: Liudon

.github/workflows/main.yml

@@ -59,7 +59,10 @@ jobs:
       - name: Compress Image
         run: |
           sudo apt-get update
-          sudo apt-get install -y imagemagick libheif-dev
+          sudo apt-get install -y software-properties-common
+          sudo add-apt-repository ppa:ubuntuhandbook1/imagemagick
+          sudo apt-get update
+          sudo apt-get install -y imagemagick
 
           convert -version