Fix typo in release notes heading (#24165)

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## Description

Fix typo in release notes for 4.61.0

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- [ ] Technical review
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Author: bennettp123

content/manuals/desktop/release-notes.md

@@ -44,7 +44,7 @@ For more frequently asked questions, see the [FAQs](/manuals/desktop/troubleshoo
 
 ### Bug fixes and enhancements
 
-#### For all platforma
+#### For all platforms
 
 - Docker Sandboxes:
    - Added automated image caching to prevent re-downloading images unnecessarily.