fix(docs): convert favicon.svg to favicon.ico

[alicanerdurmaz]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://refine.dev/docs/guides-concepts/contributing/#commit-convention

Bugs / Features

• Related issue(s) linked
• Tests for the changes have been added
• Docs have been added / updated
• Changesets have been added https://refine.dev/docs/guides-concepts/contributing/#creating-a-changeset

What is the current behavior?

https://refine.dev/'s favicon is not shown in Google search results

What is the new behavior?

favicon updated according to Google's needs

[changeset-bot]

⚠️ No Changeset found

Latest commit: 3e2d573

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