warn when submodules missing #4713

Job	Run time
Prepare	56s
Build-And-Test-Web	3m 51s
Check-mina-commit	12s
Run unit tests parallel (1)	52s
Build-And-Test-Server (Simple integration tests)	17m 5s
Run unit tests parallel (2)	19m 1s
Build-And-Test-Server (Reducer integration tests)	7m 55s
Run unit tests parallel (3)	5m 1s
Run unit tests parallel (4)	13m 8s
Build-And-Test-Server (DEX integration tests)	8m 58s
Build-And-Test-Server (DEX integration test with proofs)	9m 33s
Run unit tests parallel (5)	17m 13s
Build-And-Test-Server (Voting integration tests)	3m 53s
Run unit tests parallel (6)	9m 3s
Build-And-Test-Server (Verification Key Regression Check 1)	7m 31s
Run unit tests parallel (7)	8m 44s
Build-And-Test-Server (Verification Key Regression Check 2)	8m 6s
Run unit tests parallel (8)	2m 14s
Build-And-Test-Server (CommonJS test)	1m 31s
Build-And-Test-Server (Unit tests)	1s
Release-on-NPM	0s
Release-mina-signer-on-NPM	0s
	2h 24m 48s

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