fix: choose the 1.2 branch #84

Job	Run time
Build extension binaries / Generate matrix	3s
Build extension binaries / Windows (windows_amd64, x64-windows-static-md)	8m 45s
Build extension binaries / DuckDB-Wasm	0s
Build extension binaries / Windows (windows_amd64_mingw, x64-mingw-static)	8m 41s
Build extension binaries / MacOS (osx_amd64, x86_64, x64-osx)	8m 24s
Build extension binaries / Linux (linux_amd64, ubuntu:18.04, x64-linux)	8m 46s
Build extension binaries / MacOS (osx_arm64, arm64, arm64-osx)	7m 56s
Build extension binaries / Linux (linux_amd64_gcc4, quay.io/pypa/manylinux2014_x86_64, x64-linux)	8m 47s
Build extension binaries / Linux (linux_arm64, ubuntu:18.04, arm64-linux)	8m 48s
Build extension binaries / Linux (linux_amd64_musl, alpine:3, x64-linux)	8m 47s
	1h 8m 57s

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