Improve clarity and readability in GitHub Sponsors for open source contributors

[mdabdullahalaminkhan]

Summary

This PR improves clarity and readability in the
about-github-sponsors-for-open-source-contributors.md page by refining
sentence flow and reducing repetitive phrasing.

Changes

• Improved sentence structure for better readability
• Made wording more inclusive and beginner-friendly
• Preserved all existing links, data variables, and reusable content

Notes

• No functional or behavioral changes
• Internal docs links use relative paths and AUTOTITLE and were not modified

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[github-actions]

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Table of review links

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The table shows the files in the content directory that were changed in this pull request. This helps you review your changes on a staging server. Changes to the data directory are not included in this table.

Source	Review	Production	What Changed
sponsors/receiving-sponsorships-through-github-sponsors/about-github-sponsors-for-open-source-contributors.md	fpt ghec	fpt ghec

Key: fpt: Free, Pro, Team; ghec: GitHub Enterprise Cloud; ghes: GitHub Enterprise Server

🤖 This comment is automatically generated.

[oss-contributions]

❤️

[Sharra-writes]

@mdabdullahalaminkhan I'm sorry, but these changes are not grammatically correct.

[mdabdullahalaminkhan]

@mdabdullahalaminkhan I'm sorry, but these changes are not grammatically correct.

Thanks for your feedback @Sharra-writes , and sorry for the unintentional mistake. I will be more careful with grammar-focused edits in the future.