Add height-query function to Tileset #2198

Job	Run time
Documentation	11m 52s
Quick Checks	7s
ubuntu-latest / gcc / Debug	3m 23s
ubuntu-latest / gcc / RelWithDebInfo	7m 36s
ubuntu-20.04 / clang / Debug	3m 19s
windows-2019 / Debug	4m 33s
ubuntu-20.04 / clang / RelWithDebInfo	3m 16s
windows-2019 / RelWithDebInfo	5m 11s
macos-12 / clang / Debug	6m 37s
windows-2022 / Debug	4m 52s
macos-12 / clang / RelWithDebInfo	4m 23s
windows-2022 / RelWithDebInfo	4m 36s
	59m 45s

Provide feedback