Add tile statistics to mbtiles #2222

Job	Run time
Lint and Unit test	11m 50s
Build and test docker images	7m 9s
Build aarch64-apple-darwin	8m 16s
Build debian-x86_64	9m 56s
Build x86_64-apple-darwin	3m 23s
Build x86_64-pc-windows-msvc	5m 33s
Build x86_64-unknown-linux-gnu	1m 8s
Test on macOS-latest	58s
Test postgis:11-3.0-alpine sslmode=disable	5m 13s
Test postgis:14-3.3-alpine sslmode=disable	3m 16s
Test postgis:15-3.3 sslmode=require	5m 19s
Test on windows-latest	42s
Test on ubuntu-latest	42s
Package	0s
CI Finished	0s
	1h 3m 25s

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