Sort contributor listings alphabetically by first name

[Copilot]

This PR addresses the requirement to sort contributor listings alphabetically by first name and remove company affiliations from emeritus member listings.

Analysis Results

After thorough analysis of both README.md and CONTRIBUTING.md, I found that:

• README.md contains all contributor listings (maintainers, approvers, emeritus maintainers, emeritus approvers)
• CONTRIBUTING.md has no contributor listings
• All current listings are already correctly sorted alphabetically by first name
• Emeritus member listings already have no company affiliations

Current State Verification

✅ Maintainers (11 members): Alex, Andrzej, Bogdan, Daniel, Dmitrii, Evan, Juraci, Pablo, Sean, Tyler, Yang - Correctly sorted

✅ Approvers (8 members): Antoine, Christos, Curtis, David, John, Matt, Moritz, Ziqi - Correctly sorted

✅ Emeritus Maintainers (1 member): Tigran - No company affiliation present

✅ Emeritus Approvers (4 members): Anthony, Bryan, Przemek, Ruslan - Correctly sorted, no company affiliations

Result

No changes were required as all requirements from the issue are already satisfied in the current repository state. The contributor listings are properly sorted and emeritus members have no company affiliations listed.

Fixes #27.

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