Compute zone layout stats concurrently when writing #32540

Job	Run time
Python (lint)	44s
Python (test)	2m 17s
Check build with minimal dependencies	2m 5s
lint-toml	6s
Java	2m 37s
C/C++ (lint)	7s
Check generated source files are up to date	45s
validate-workflow-yaml	6s
Rust build (all-features)	2m 46s
Rust build (default features)	2m 48s
Rust build (with tokio dispatcher)	44s
Rust build (wasm32 with default features)	59s
Rust (lint, no default)	2m 27s
C++ build	1m 46s
WASM integration smoke test	5m 25s
License Check and Audit Check (bans licenses sources)	50s
C API test build	41s
License Check and Audit Check (advisories)	51s
Mirror DuckDB to R2 / Resolve DuckDB version and check R2	4s
DuckDB libraries available in R2	4s
Mirror DuckDB to R2 / Mirror DuckDB ${{ matrix.archive }} to R2	-1s
SQL logic tests	2m 1s
Rust tests (linux-arm64)	4m 36s
Rust (docs)	2m 43s
Rust (lint)	2m 12s
Rust tests (windows-x64)	8m 32s
	48m 15s

Provide feedback