Added Interface for Netzschleuder .gml.zst files #1731

Job	Run time
Build wheels on Linux (i686)	3m 52s
Build wheels on Linux (x86_64)	3m 42s
Build wheels on Linux (aarch64/manylinux)	5m 5s
Build wheels for WebAssembly	6m 5s
Build wheels on Linux (aarch64/musllinux)	3m 57s
Build wheels on macOS (arm64)	2m 32s
Build wheels on macOS (x86_64)	2m 48s
Build wheels on Windows (x64)	9m 20s
Build with sanitizers for debugging purposes	1m 57s
Build wheels on Windows (Win32)	9m 22s
Build sdist and test extra dependencies	3m 43s
	52m 23s

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