Also update es, fr, is, ko, ru READMEs

Changed `xattr` instruction to `/usr/bin/xattr` in non-en README.md files. Fix for #2583.

Done by recursive grep, so this should be all of them. Command line used:

```shell
perl -p -i -e 's/^xattr/\/usr\/bin\/xattr/' `egrep -rl xattr .`
```

docs/readme/README-es.md

@@ -182,7 +182,7 @@ brew install th-ch/youtube-music/youtube-music
 Si instalas la aplicación manualmente y obtienes un error "está dañado y no se puede abrir" al iniciar la aplicación, ejecuta lo siguiente en la Terminal:
 
 ```bash
-xattr -cr /Applications/YouTube\ Music.app
+/usr/bin/xattr -cr /Applications/YouTube\ Music.app
 ```
 
 ### Windows

docs/readme/README-fr.md

@@ -185,7 +185,7 @@ brew install th-ch/youtube-music/youtube-music
 Si vous installez l'application manuellement et obtenez une erreur "est endommagé et ne peut pas être ouvert." lors du lancement de l'application, exécutez ce qui suit dans le Terminal :
 
 ```bash
-xattr -cr /Applications/YouTube\ Music.app
+/usr/bin/xattr -cr /Applications/YouTube\ Music.app
 ```
 
 ### Windows

docs/readme/README-is.md

@@ -180,7 +180,7 @@ brew install th-ch/youtube-music/youtube-music
 Ef þú setur upp forritið handvirkt og færð villu "er skemmd og ekki er hægt að opna það," þegar þú ræsir forritið skaltu keyra eftirfarandi í flugstöðinni:
 
 ```bash
-xattr -cr /Applications/YouTube\ Music.app
+/usr/bin/xattr -cr /Applications/YouTube\ Music.app
 ```
 
 ### Windows

docs/readme/README-ko.md

@@ -147,7 +147,7 @@ brew install --cask https://raw.githubusercontent.com/th-ch/youtube-music/master
 (앱을 수동으로 설치하고) 앱을 실행할 때 `손상되었기 때문에 열 수 없습니다.`라는 오류가 발생하면 터미널에서 다음을 실행하세요:
 
 ```bash
-xattr -cr /Applications/YouTube\ Music.app
+/usr/bin/xattr -cr /Applications/YouTube\ Music.app
 ```
 
 ### Windows

docs/readme/README-ru.md

@@ -168,7 +168,7 @@ brew install th-ch/youtube-music/youtube-music
 Если вы устанавливаете приложение вручную и получаете ошибку "is damaged and can’t be opened.", запустите в терминале следующую команду:
 
 ```bash
-xattr -cr /Applications/YouTube\ Music.app
+/usr/bin/xattr -cr /Applications/YouTube\ Music.app
 ```
 
 ### Windows