Deprecate 'testnet' network id in favor of 'devnet' #4893

Job	Run time
Prepare	1m 46s
Build-And-Test-Web	5m 8s
Check-mina-commit	11s
Run unit tests parallel (1)	58s
Build-And-Test-Server (Simple integration tests)	17m 5s
Run unit tests parallel (2)	19m 6s
Build-And-Test-Server (Reducer integration tests)	7m 59s
Run unit tests parallel (3)	5m 10s
Build-And-Test-Server (DEX integration tests)	9m 1s
Run unit tests parallel (4)	12m 46s
Build-And-Test-Server (DEX integration test with proofs)	9m 40s
Run unit tests parallel (5)	17m 15s
Build-And-Test-Server (Voting integration tests)	3m 58s
Run unit tests parallel (6)	10m 23s
Build-And-Test-Server (Verification Key Regression Check 1)	7m 30s
Run unit tests parallel (7)	8m 37s
Build-And-Test-Server (Verification Key Regression Check 2)	7m 55s
Run unit tests parallel (8)	29s
Build-And-Test-Server (CommonJS test)	1m 30s
Build-And-Test-Server (Unit tests)	0s
Release-on-NPM	0s
Release-mina-signer-on-NPM	0s
	2h 26m 27s

Provide feedback