docs: fix misspell in 07-callbacks-IBCv2.md and in versioned doc

[lechpzn]

Description

fix typo in word received in 07-callbacks-IBCv2.md and in versioned doc

closes: #XXXX

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• Wrote unit and integration tests if relevant.
• Updated documentation (docs/) if anything is changed.
• Added godoc comments if relevant.
• Self-reviewed Files changed in the GitHub PR explorer.
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