Fix #241: quote FORMAT binary for old Postgres versions #172

Job	Run time
Build extension binaries / Generate matrix	24s
Build extension binaries / MacOS (osx_amd64, x86_64, x64-osx)	3m 47s
Build extension binaries / Windows (windows_amd64, x64-windows-static-md)	27m 44s
Build extension binaries / Linux (linux_amd64, ubuntu:18.04, x64-linux)	4m 38s
Build extension binaries / MacOS (osx_arm64, arm64, arm64-osx)	2m 4s
Build extension binaries / DuckDB-Wasm	0s
Build extension binaries / Linux (linux_amd64_gcc4, quay.io/pypa/manylinux2014_x86_64, x64-linux)	5m 8s
Build extension binaries / Linux (linux_arm64, ubuntu:18.04, arm64-linux)	4m 49s
Deploy extension binaries / Generate matrix	25s
Deploy extension binaries / Deploy (linux_amd64)	31s
Deploy extension binaries / Deploy (linux_amd64_gcc4)	31s
Deploy extension binaries / Deploy (linux_arm64)	31s
Deploy extension binaries / Deploy (osx_amd64)	36s
Deploy extension binaries / Deploy (osx_arm64)	30s
Deploy extension binaries / Deploy (windows_amd64)	30s
	52m 8s

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