v0.4.2

What's Changed

• docs(agentos): update docs for 0.4 by @eersnington in #2038
• docs(agentos): fix hosted examples and self-hosting by @eersnington in #2039
• docs(agentos): rewrite README and quickstarts [skip ci] by @NathanFlurry in #2041
• fix(native-sidecar): remove stdin, poll, and pipe stalls by @eersnington in #2043
• fix(client): recover when a shared sidecar exits by @eersnington in #2044
• fix(v8-runtime): log warm-pool and snapshot diagnostics through tracing by @eersnington in #2045
• fix(runtime): give process stdin Linux semantics by @eersnington in #2046
• fix(toolchain): honor trap signal dispositions in the guest shell, as on Linux by @eersnington in #2047
• fix(native-sidecar): make interactive terminals work as on Linux by @eersnington in #2053
• ci: run release builds and nightly on GitHub-hosted runners by @eersnington in #2055

Full Changelog: v0.4.1...v0.4.2