chore(l2): forbid as conversions #202

Job	Run time
Build Docker	5m 54s
Lint	1m 49s
Test	7m 3s
Assertoor - Transaction Check	7m 42s
Assertoor - Blobs & Stability Check	8m 55s
Hive - Rpc Compat tests	1m 59s
Hive - Devp2p discv4 tests	3m 57s
Hive - Devp2p snap tests	3m 58s
Hive - Devp2p eth tests	3m 53s
Hive - Engine Auth and EC tests	3m 27s
Hive - Cancun Engine tests	10m 9s
Integration Test	1s
	58m 47s

Provide feedback