Add more options for opening SQLite databases - busy_timeout and journal_mode - and set busy time-out by default #20

Job	Run time
Build extension binaries / Generate matrix	21s
Build extension binaries / MacOS (osx_amd64, x86_64, x64-osx)	7m 21s
Build extension binaries / DuckDB-Wasm	0s
Build extension binaries / Linux (linux_amd64, ubuntu:18.04, x64-linux)	1m 20s
Build extension binaries / MacOS (osx_arm64, arm64, arm64-osx)	5m 28s
Build extension binaries / Windows (windows_amd64, x64-windows-static-md)	22m 34s
Build extension binaries / Linux (linux_amd64_gcc4, quay.io/pypa/manylinux2014_x86_64, x64-linux)	1m 14s
Build extension binaries / Windows (windows_amd64_rtools, x64-mingw-static)	42m 20s
Build extension binaries / Linux (linux_arm64, ubuntu:18.04, arm64-linux)	1m 19s
Deploy extension binaries	0s
	1h 21m 57s

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