chore(v0.4.8): bump version, log release notes #2115

Job	Run time
rustfmt	12s
cargo-check (llm-cli-wrapper)	32s
cargo-check (orchestrator-core)	34s
cargo-check (protocol)	18s
clippy	1m 10s
cargo-check (orchestrator-web-contracts)	12s
cargo-check (agent-runner)	21s
cargo-check (orchestrator-web-server)	1m 32s
cargo-check (orchestrator-web-api)	1m 7s
cargo-check (orchestrator-cli)	1m 39s
smoke-help	1m 15s
	8m 52s

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