[CI] Run on all MRs and on release branch #541

Job	Run time
Extract tasks from matrix	3s
check-migrations (polkadot, polkadot-runtime, relay/polkadot, wss://polkadot-try-runtime-node.par...	21m 31s
check-migrations (kusama, staging-kusama-runtime, relay/kusama, wss://kusama-try-runtime-node.par...	16m 45s
check-migrations (asset-hub-kusama, asset-hub-kusama-runtime, system-parachains/asset-hubs/asset-...	17m 37s
check-migrations (asset-hub-polkadot, asset-hub-polkadot-runtime, system-parachains/asset-hubs/as...	16m 32s
check-migrations (bridge-hub-kusama, bridge-hub-kusama-runtime, system-parachains/bridge-hubs/bri...	16m 28s
check-migrations (bridge-hub-polkadot, bridge-hub-polkadot-runtime, system-parachains/bridge-hubs...	15m 55s
check-migrations (collectives-polkadot, collectives-polkadot-runtime, system-parachains/collectiv...	16m 6s
check-migrations (encointer-kusama, encointer-kusama-runtime, system-parachains/encointer, wss://...	16m 4s
	2h 17m 1s

Provide feedback