Upgrade from v1.2 to v1.3 #49

Job	Run time
Extract tasks from matrix	4s
check-migrations (polkadot, polkadot-runtime, relay/polkadot, wss://polkadot-try-runtime-node.par...	25m 4s
check-migrations (kusama, staging-kusama-runtime, relay/kusama, wss://kusama-try-runtime-node.par...	19m 17s
check-migrations (asset-hub-kusama, asset-hub-kusama-runtime, system-parachains/asset-hubs/asset-...	17m 7s
check-migrations (asset-hub-polkadot, asset-hub-polkadot-runtime, system-parachains/asset-hubs/as...	16m 2s
check-migrations (bridge-hub-kusama, bridge-hub-kusama-runtime, system-parachains/bridge-hubs/bri...	15m 16s
check-migrations (bridge-hub-polkadot, bridge-hub-polkadot-runtime, system-parachains/bridge-hubs...	15m 19s
check-migrations (collectives-polkadot, collectives-polkadot-runtime, system-parachains/collectiv...	15m 54s
	2h 4m 3s

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