v0.21.0-rc1

What's Changed

• feat: add storage service accounts by @g-linville in #6437
• fix: dashboard related fixes by @ivyjeong13 in #6456
• chore: rename phat image to stdio-wrapper by @thedadams in #6478
• chore: bump nanobot image to v0.0.77 by @calvinmclean in #6480
• feat: deploy network policy providers via helm by @g-linville in #6452
• fix: filters ui with basic auditors role by @njhale in #6481
• Allow GITHUB_AUTH_TOKEN with other catalogs by @calvinmclean in #6492
• fix: configure multi-user MCP secrets after create by @thedadams in #6483
• Update docs for GITHUB_AUTH_TOKEN clone catalogs by @calvinmclean in #6495
• docs: add egress control by @g-linville in #6496
• fix: chart: fail installation of network policy provider chart repo is provided but not chart name by @g-linville in #6497
• fix: ui: squash some egress domain bugs by @g-linville in #6505
• fix: retry on conflict for MCP server trigger-update by @g-linville in #6500
• Fix group-based message policies for Azure/Bedrock by @calvinmclean in #6485
• fix: ui: show guidance for entering egress domains by @g-linville in #6510
• fix: chart: validate mcp network policy provider params more by @g-linville in #6512

Full Changelog: v0.20.1...v0.21.0-rc1