Add missing commas in template parameter list

[Rageking8]

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Learn Build status updates of commit e89f4e6:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/standard-library/chrono-functions.md	✅Succeeded
docs/standard-library/istreambuf-iterator-class.md	✅Succeeded
docs/standard-library/ostream-iterator-class.md	✅Succeeded
docs/standard-library/ostreambuf-iterator-class.md	✅Succeeded

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[Copilot]

Pull Request Overview

This PR fixes syntax errors in C++ template parameter lists across multiple documentation files by adding missing commas between template parameters.

• Corrects template syntax in four standard library class documentation files
• Adds missing commas in template parameter declarations to make the code examples syntactically correct

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
docs/standard-library/ostreambuf-iterator-class.md	Added missing comma between CharType and Traits template parameters
docs/standard-library/ostream-iterator-class.md	Added missing commas between Type, CharType, and Traits template parameters
docs/standard-library/istreambuf-iterator-class.md	Added missing comma between CharType and Traits template parameters
docs/standard-library/chrono-functions.md	Added missing comma between charT and traits template parameters