fix debian config example #2586

Job	Run time
Build aarch64-apple-darwin	7m 58s
Build and test docker images	5m 17s
Build debian-x86_64	5m 39s
Build x86_64-apple-darwin	3m 9s
Build x86_64-pc-windows-msvc	5m 4s
Build x86_64-unknown-linux-gnu	1m 30s
Lint and Unit test	9m 9s
Test on macOS-latest	12m 27s
Test on windows-latest	1m 2s
Test postgis:11-3.0-alpine sslmode=disable	3m 46s
Test on ubuntu-latest	1m 31s
Test postgis:14-3.3-alpine sslmode=disable	3m 53s
Test postgis:15-3.3 sslmode=require	3m 54s
Package	1m 12s
CI Finished	1s
	1h 5m 32s

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