Changelog: Fix CI job and introduce verification CI job #1746

Job	Run time
Extract tasks from matrix	4s
check-migrations (polkadot, polkadot-runtime, relay/polkadot, wss://polkadot-try-runtime-node.par...	18m 47s
check-migrations (kusama, staging-kusama-runtime, relay/kusama, wss://kusama-try-runtime-node.par...	14m 27s
check-migrations (asset-hub-kusama, asset-hub-kusama-runtime, system-parachains/asset-hubs/asset-...	11m 25s
check-migrations (asset-hub-polkadot, asset-hub-polkadot-runtime, system-parachains/asset-hubs/as...	19m 28s
check-migrations (bridge-hub-kusama, bridge-hub-kusama-runtime, system-parachains/bridge-hubs/bri...	10m 29s
check-migrations (bridge-hub-polkadot, bridge-hub-polkadot-runtime, system-parachains/bridge-hubs...	13m 20s
check-migrations (collectives-polkadot, collectives-polkadot-runtime, system-parachains/collectiv...	10m 7s
check-migrations (coretime-kusama, coretime-kusama-runtime, system-parachains/coretime/coretime-k...	10m 16s
check-migrations (encointer-kusama, encointer-kusama-runtime, system-parachains/encointer, wss://...	10m 40s
All migrations passed	1s
	1h 59m 4s

Provide feedback