v1.5.1

What's Changed

• chore: correct drifted doc counts and versions, prune shipped plans, clear 8 advisories by @asafgolombek in #908
• docs(security): honest disclosure policy + actually serve .well-known/security.txt by @asafgolombek in #909
• docs(infra): measurement-grounded CI/CD improvement plan by @asafgolombek in #911
• docs(ci-secrets): correct the release-environment scope claim by @asafgolombek in #910
• docs(credentials): credential health design, plan, and both review rounds by @asafgolombek in #912
• docs: retire the ecosystem roadmap, fold sequencing into the product roadmap by @asafgolombek in #913
• docs(roadmap): sequence the client surfaces by @asafgolombek in #914
• fix(docs): serve .well-known/security.txt by disabling Jekyll filtering by @asafgolombek in #915
• chore: release main by @nimbus-release-bot[bot] in #916

Full Changelog: v1.5.0...v1.5.1