Add tile statistics to mbtiles #2214

Job	Run time
Build and test docker images	4m 6s
Build aarch64-apple-darwin	5m 22s
Build debian-x86_64	9m 37s
Build x86_64-apple-darwin	4m 47s
Lint and Unit test	1m 24s
Build x86_64-pc-windows-msvc	5m 1s
Build x86_64-unknown-linux-gnu	2m 5s
Test postgis:11-3.0-alpine sslmode=disable	5m 43s
Test on macOS-latest	1m 10s
Test postgis:14-3.3-alpine sslmode=disable	5m 25s
Test on windows-latest	1m 1s
Test postgis:15-3.3 sslmode=require	3m 20s
Test on ubuntu-latest	57s
Package	0s
CI Finished	0s
	49m 58s

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