chore(docker): update GeoLite2-Country.mmdb checksum

[github-actions]

🤖 Automated GeoLite2 Database Checksum Update

The GeoLite2-Country.mmdb database has been updated upstream.

Changes

• Old checksum: d074a873c0db6755c0d7f22efe8c76d14fd5d4bcdaa5fc5e940508e8517e99ba
• New checksum: c77ac1d7e64b3fcd1447045615fc3aefb3ed886e176608c568b01f29f955e21a
• File modified: Dockerfile (line 352)

Verification Required

• Local build passes: docker build --no-cache -t test .
• Container starts successfully
• API health check responds: curl http://localhost:8080/api/v1/health
• CI build passes

Testing Commands

# Verify checksum locally
curl -fsSL "https://github.com/P3TERX/GeoLite.mmdb/raw/download/GeoLite2-Country.mmdb" | sha256sum

# Build and test
docker build --no-cache --pull -t charon:test-geolite2 .
docker run --rm charon:test-geolite2 /app/charon --version

Related Documentation

• Dockerfile
• Implementation Plan

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Auto-generated by: .github/workflows/update-geolite2.yml

• Trigger: Scheduled weekly check (Sundays 2 AM UTC)