v0.21.0

Changelog

• 902a3de build: add a .dockerignore
• 2e8cf62 fix(analytics): don't report a disabled aggregator as zero traffic
• cfb8185 fix(auth): enable MCP on user creation so issued tokens actually work
• 15d4c64 fix(ingest): one fingerprint definition, not two
• 04d0b83 fix(logs): stop materializing every row, and honour since everywhere
• b6fd5ba fix(mcp): scope error groups by environment and honour since
• f5ef298 fix(search): honour the time window and the filters we advertise
• 62182a2 ops(fly): move to fra, size the VM, untrack .mcp.json