v0.3.0

• chore(release): 0.3.0 (#105) (cc3ee4f)
• feat(broker): apply migrations on boot (#104) (e208751)
• fix(deps): bump x/net to v0.55.0 in bridge and gateway (3e6bcce)
• fix(deps): bump x/crypto, grpc, goxmldsig, and ts sdk deps for security advisories (09ab5a3)
• fix(broker): validate saml return_url before storing credentials (f658d70)
• docs: add sidecar to architecture, homepage, config, and deploy docs (b147739)
• fix(sidecar): return 413 body_too_large for oversized request bodies (08a8ae5)
• fix(bridge): measure ws connection duration at exit, not defer time (a734d05)
• Add agent identity sessions (364d310)
• Add SAML service provider flow (e818483)
• Add nexus sidecar proxy (033f44c)
• Add bridge metrics and broker key rotation (49380c1)