Update install

scripts/install

@@ -45,9 +45,9 @@ ynh_script_progression "Building the app..."
 
 pushd $install_dir
 	ynh_hide_warnings corepack enable && corepack prepare pnpm@latest --activate
-	ynh_hide_warnings ynh_exec_as_app yarn install
-	ynh_hide_warnings ynh_exec_as_app NODE_ENV=production yarn build
-	ynh_hide_warnings ynh_exec_as_app yarn db:migrate
+	ynh_hide_warnings ynh_exec_as_app pnpm install
+	ynh_hide_warnings ynh_exec_as_app NODE_ENV=production pnpm build
+	ynh_hide_warnings ynh_exec_as_app pnpm db:migrate
 popd
 
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