Add Celo Sepolia support.

[bgravenorst]

Description

Document Infura support for Celo Sepolia

Checklist

• If this PR updates or adds documentation content that changes or adds technical meaning, it has received an approval from an engineer or DevRel from the relevant team.
• If this PR updates or adds documentation content, it has received an approval from a technical writer.

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Note

Adds Celo Sepolia HTTPS endpoint, removes Celo Alfajores and Celo WebSocket endpoints, updates WebSockets-supported networks (removes Celo), and adds Ethereum Sepolia WebSocket endpoint.

• Endpoints docs (services/get-started/endpoints.md):
  • Celo: Add Testnet (Sepolia) HTTPS endpoint; remove Alfajores entries and Celo WebSocket rows; delete Alfajores deprecation notice block.
  • Ethereum: Add Testnet (Sepolia) WebSocket endpoint.
• WebSockets concepts (services/concepts/websockets.md):
  • Remove Celo from supported WebSockets networks list.

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Project	Deployment	Preview	Comments	Updated (UTC)
metamask-docs	Ready	Preview	Comment	Dec 9, 2025 10:24pm