Fix Japanese translation (#2755)

Author: ltm

scripts/i18n.sh

@@ -3,8 +3,8 @@ set -o errexit
 set -o nounset
 
 if [ "${VERCEL_ENV:-preview}" == "production" ]; then
-    mkdir -p i18n/ja/docusaurus-plugin-content-docs/v6/
+    mkdir -p i18n/ja/docusaurus-plugin-content-docs/version-v6/
     curl -fsSL https://github.com/ionic-team/ionic-docs/archive/refs/heads/translation/jp.tar.gz |
-      tar -zxf - -C i18n/ja/docusaurus-plugin-content-docs/v6/ --strip-components 2 ionic-docs-translation-jp/docs
+      tar -zxf - -C i18n/ja/docusaurus-plugin-content-docs/version-v6/ --strip-components 2 ionic-docs-translation-jp/docs
     node scripts/api-ja.js
 fi