Add "Extended Clickbench" benchmark for median and approx_median for high cardinality aggregates #32210

Job	Run time
cargo check	5m 57s
build with wasm-pack	2m 30s
Check cargo fmt	38s
cargo test (macos)	14m 13s
cargo test (macos-aarch64)	14m 13s
Verify Vendored Code	48s
cargo test (win64)	48m 13s
Verify MSRV (Min Supported Rust Version)	7m 5s
cargo examples (amd64)	13m 26s
cargo test datafusion-cli (amd64)	3m 47s
clippy	5m 32s
cargo test hash collisions (amd64)	14m 37s
cargo doc	3m 52s
cargo test (amd64)	9m 55s
cargo test doc (amd64)	15m 26s
Run sqllogictest with Postgres runner	3m 37s
cargo test pyarrow (amd64)	2m 56s
verify benchmark results (amd64)	12m 33s
check Cargo.toml formatting	2m 59s
check configs.md is up-to-date	2m 48s
	3h 5m 5s

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