Use public repository metadata

[jakerated-r]

Summary

• update the package repository metadata from the SSH-style GitHub URL to a public git+https URL
• leave runtime/config contents, package name, version, main entry, author, and license unchanged

Validation

• node -e 'const p=require("./package.json"); if (p.repository !== "git+https://github.com/azz/prettier-config.git") throw new Error(p.repository); if (p.name !== "@azz/prettier-config") throw new Error("name changed"); if (p.main !== "index.json") throw new Error("main changed"); console.log("metadata ok")'
• npm pack --dry-run --ignore-scripts --json .
• git diff --check