VTX-7527: metrics for agg exec #1431

Job	Run time
Check cargo fmt	51s
cargo check	3m 47s
build with wasm-pack	2m 31s
cargo test (macos)	10m 58s
cargo test (macos-aarch64)	10m 29s
Verify Vendored Code	1m 0s
cargo test (win64)	34m 44s
cargo test (amd64)	9m 35s
cargo test datafusion-cli (amd64)	3m 58s
cargo doc	4m 1s
cargo test doc (amd64)	13m 6s
Run sqllogictest with Postgres runner	3m 31s
verify benchmark results (amd64)	11m 7s
check Cargo.toml formatting	3m 22s
clippy	5m 20s
check configs.md is up-to-date	2m 50s
cargo test pyarrow (amd64)	2m 53s
	2h 4m 3s

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