i18n(ja): Update `astro-components.md` translation

[mottox2]

What kind of changes does this PR include?

• Translated content

Description

This PR update ja translation for these changes in astro-components.md.

Please labeled this PR with hacktoberfest-accepted.

[netlify[bot]]

✅ Deploy Preview for astro-docs-2 ready!

Name	Link
🔨 Latest commit	33b3f64d81956decf18a887cbf21536b2f3a4822
🔍 Latest deploy log	https://app.netlify.com/sites/astro-docs-2/deploys/6352b622102ace00082139c1
😎 Deploy Preview	https://deploy-preview-1788--astro-docs-2.netlify.app/ja/core-concepts/astro-components
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site settings.

[mottox2]

レビューありがとうございます！抜けていた改行を追加しました

[kyosuke]

ありがとうございます！ LGTMです！

[mottox2]

Thanks for the review!

[delucis]

Thanks again for the translation @mottox2 🙌