fix grcov CI workflow #2166

Job	Run time
Build aarch64-apple-darwin	6m 21s
Build and test docker images	5m 45s
Build debian-x86_64	8m 25s
Lint and Unit test	4m 42s
Build x86_64-apple-darwin	1m 46s
Build x86_64-pc-windows-msvc	4m 51s
Build x86_64-unknown-linux-gnu	1m 59s
Test on macOS-latest	4m 57s
Test postgis:11-3.0-alpine sslmode=disable	6m 10s
Test on windows-latest	1m 35s
Test postgis:14-3.3-alpine sslmode=disable	5m 27s
Test on ubuntu-latest	1m 13s
Test postgis:15-3.3 sslmode=require	6m 44s
Package	55s
CI Finished	1s
	1h 0m 51s

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