[bn] Localization of Content/bn/docs/concepts/windows/ index.md

[fatimajannet]

I've updated the localization of content/bn/docs/concepts/windows/_index.md
Related issue : #47747

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[sajibAdhi]

Hi @fatimajannet, thank you for your contribution!

Kindly change your target branch from main to dev-1.31-bn.1 to align with our branching strategy. Let me know if you have any questions!