feat: add gdal #587

Job	Run time
ubuntu-with-gdal (-p stac -p stac-cli -F gdal)	2m 23s
macos	1m 29s
ubuntu-with-gdal (--all-features)	3m 37s
ubuntu (-p stac)	42s
windows	2m 41s
ubuntu (-p stac -F reqwest)	1m 24s
ubuntu (-p stac-api)	35s
doc	2m 23s
fmt	18s
ubuntu (-p stac -p stac-api -F geo)	59s
ubuntu (-p stac -p stac-api -F schemars)	35s
ubuntu (-p stac-async)	52s
ubuntu (-p stac-cli)	1m 3s
ubuntu (-p stac-validate)	1m 15s
	20m 16s

Provide feedback