Add tile statistics to mbtiles #2255

Job	Run time
Build aarch64-apple-darwin	4m 34s
Build and test docker images	4m 1s
Build debian-x86_64	5m 16s
Build x86_64-apple-darwin	5m 0s
Build x86_64-pc-windows-msvc	5m 13s
Lint and Unit test	3m 45s
Build x86_64-unknown-linux-gnu	1m 8s
Test postgis:11-3.0-alpine sslmode=disable	5m 1s
Test on macOS-latest	5m 36s
Test postgis:14-3.3-alpine sslmode=disable	3m 38s
Test on windows-latest	1m 42s
Test postgis:15-3.3 sslmode=require	5m 55s
Test on ubuntu-latest	53s
Package	1m 0s
CI Finished	1s
	52m 43s

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