duckdb: marshal query results via C API #13341

Job	Run time
validate-workflow-yaml	17s
Python (lint)	4m 21s
Rust (docs)	7m 4s
License Check and Audit Check (bans licenses sources)	54s
License Check and Audit Check (advisories)	56s
lint-toml	14s
DuckDB extension build	12m 27s
Rust (lint)	4m 45s
Rust (lint, no default)	6m 17s
Rust build (with compio dispatcher)	5m 52s
Rust (tests)	5m 18s
Rust build (with tokio dispatcher)	5m 44s
Rust build (all-features)	6m 23s
Benchmark with Codspeed	5m 1s
Rust build (default features)	5m 50s
Python (test)	6m 24s
Rust build (wasm32 with default features)	3m 37s
Rust build (with tokio+compio dispatcher)	5m 49s
Java	4m 34s
Check build with minimal dependencies	3m 2s
wasm-integration	2m 11s
miri	1m 46s
Check generated proto/fbs files are up to date	53s
	1h 39m 39s

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