do not run duckdb via python, but rather via shell #13

Job	Run time
Build DuckDB	21m 24s
Fuzzer (duckfuzz, alltypes)	1m 25s
Fuzzer (duckfuzz, tpch)	1m 51s
Fuzzer (duckfuzz, emptyalltypes)	1m 14s
Fuzzer (sqlsmith, alltypes)	1m 22s
Fuzzer (sqlsmith, tpch)	11m 3s
Fuzzer (sqlsmith, emptyalltypes)	1m 18s
Fuzzer (duckfuzz_functions, alltypes)	3m 8s
Fuzzer (duckfuzz_functions, tpch)	27m 18s
Fuzzer (duckfuzz_functions, emptyalltypes)	3m 39s
	1h 13m 42s

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