CI: test starknet-rs with both rpc v0.7 and v0.8#2820

EgeCaner wants to merge 2 commits intomainNethermindEth/juno:mainfrom

chore/ci/starknet-rs/test-multiple-versionsNethermindEth/juno:chore/ci/starknet-rs/test-multiple-versionsCopy head branch name to clipboard