mcp-server-auth-template v0.5.0

What's Changed

• P1.6a: Establish the supply-chain trust baseline by @brunovicco in #12
• P1.6b: Add SBOM and vulnerability evidence by @brunovicco in #13
• P1.6c: Add reproducible release provenance by @brunovicco in #14
• P1.6d: Add secure release publication by @brunovicco in #19
• Fix nondeterministic checksum corruption test by @brunovicco in #20
• chore(release): prepare v0.5.0 by @brunovicco in #21
• docs: align v0.5.0 documentation by @brunovicco in #22
• fix: finalize v0.5.0 MCP hardening by @brunovicco in #23

Full Changelog: v0.4.0...v0.5.0