Merge pull request #1018 from remmycat/avif-firefox-issue

Re-encode all avif files

README.md

@@ -99,7 +99,7 @@ npm run rename-badge -- sundae "New 4v4 Sundaes"
 While in the folder with the images:
 
 ```bash
-for i in *; do npx @squoosh/cli --avif '{"cqLevel":33,"cqAlphaLevel":-1,"denoiseLevel":0,"tileColsLog2":0,"tileRowsLog2":0,"speed":6,"subsample":1,"chromaDeltaQ":false,"sharpness":0,"tune":0}' $i; done
+for i in *.png; do npx @squoosh/cli --avif '{"cqLevel":33,"cqAlphaLevel":-1,"denoiseLevel":0,"tileColsLog2":0,"tileRowsLog2":0,"speed":6,"subsample":1,"chromaDeltaQ":false,"sharpness":0,"tune":0}' $i; done
 ```
 
 ## How to...