Add basic benchmarking suite #67

Job	Run time
Build extension binaries / Generate matrix	27s
Build extension binaries / MacOS (osx_amd64, x86_64, x64-osx)	8m 4s
Build extension binaries / MacOS (osx_arm64, arm64, arm64-osx)	7m 39s
Build extension binaries / DuckDB-Wasm	0s
Build extension binaries / Windows (windows_amd64, x64-windows-static-md)	57m 55s
Build extension binaries / Linux (linux_amd64, ubuntu:18.04, x64-linux)	12m 2s
Build extension binaries / Linux (linux_amd64_gcc4, quay.io/pypa/manylinux2014_x86_64, x64-linux)	19m 54s
Build extension binaries / Linux (linux_arm64, ubuntu:18.04, arm64-linux)	13m 26s
Deploy extension binaries / Generate matrix	25s
Deploy extension binaries / Deploy (linux_amd64)	37s
Deploy extension binaries / Deploy (linux_amd64_gcc4)	45s
Deploy extension binaries / Deploy (linux_arm64)	39s
Deploy extension binaries / Deploy (osx_amd64)	30s
Deploy extension binaries / Deploy (osx_arm64)	30s
Deploy extension binaries / Deploy (windows_amd64)	39s
	2h 3m 32s

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