Ungrouped aggregate function pushdown for duckdb #4793

Job	Run time
Rust tests (asan)	6m 44s
Rust tests (miri)	1m 39s
Rust/C++ FFI tests (asan)	2m 13s
Rust tests (tsan)	6m 20s
Rust/C++ FFI tests (tsan)	1m 56s
Mirror DuckDB to R2 / Resolve DuckDB version and check R2	4s
Mirror DuckDB to R2 / Mirror DuckDB ${{ matrix.archive }} to R2	-1s
DuckDB libraries available in R2	2s
Rust tests (coverage) (tests)	6m 40s
	25m 37s

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