duckdb: switch to v2 extension for clickbench benchmark #13318

Job	Run time
lint-toml	18s
validate-workflow-yaml	17s
Benchmark with Codspeed	5m 45s
Check build with minimal dependencies	3m 14s
wasm-integration	1m 49s
Rust (tests)	7m 34s
Rust (lint, no default)	7m 9s
Java	4m 46s
License Check and Audit Check (bans licenses sources)	1m 55s
License Check and Audit Check (advisories)	1m 59s
Python (test)	7m 59s
miri	3m 13s
Rust (docs)	5m 7s
Python (lint)	5m 17s
DuckDB extension build	10m 26s
Rust (lint)	4m 23s
Rust build (default features)	6m 50s
Rust build (with compio dispatcher)	7m 4s
Rust build (wasm32 with default features)	4m 25s
Rust build (with tokio dispatcher)	6m 47s
Check generated proto/fbs files are up to date	2m 12s
Rust build (with tokio+compio dispatcher)	6m 51s
Rust build (all-features)	7m 34s
	1h 52m 54s

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