Fix bbox_to_xyz #2498

Job	Run time
Lint and Unit test	52s
Build and test docker images	4m 40s
Build aarch64-apple-darwin	3m 7s
Build debian-x86_64	5m 16s
Build x86_64-apple-darwin	2m 25s
Build x86_64-pc-windows-msvc	4m 31s
Build x86_64-unknown-linux-gnu	1m 12s
Test on macOS-latest	1m 3s
Test postgis:11-3.0-alpine sslmode=disable	3m 44s
Test on windows-latest	45s
Test postgis:14-3.3-alpine sslmode=disable	3m 49s
Test on ubuntu-latest	44s
Test postgis:15-3.3 sslmode=require	3m 49s
Package	0s
CI Finished	0s
	35m 57s

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