[doc] Fix typos in release notes

[AxelRICHARD]

PLEASE READ ALL ITEMS AND CHECK ONLY RELEVANT CHECKBOXES BELOW

Auto review

• Have you reviewed this PR? Please do a first quick review, It is very useful to detect typos and missing copyrights, check comments, check your code... The reviewer will thank you for that :)

Project management

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Changelog and release notes

• Has the CHANGELOG.adoc + doc/content/modules/user-manual/pages/release-notes/YYYY.MM.0.adoc been updated to reference the relevant issues?
• Have the relevant API breaks been described in the CHANGELOG.adoc?
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• In case of a key change, has the change been added to Key highlights section in doc/content/modules/user-manual/pages/release-notes/YYYY.MM.0.adoc?

Documentation

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Tests

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