fix tarpaulin test

[shunsukew]

Pull Request Summary Fix CI tests action. Use version: 0.22.0 as a workaround https://github.com/actions-rs/tarpaulin/issues/15

[github-actions[bot]]

Package	Line Rate	Branch Rate	Health
frame/pallet-xvm/src/pallet	33%	0%	❌
precompiles/sr25519/src	79%	0%	➖
precompiles/substrate-ecdsa/src	78%	0%	➖
precompiles/xcm/src	84%	0%	✔
precompiles/xvm/src	94%	0%	✔
precompiles/utils/macro/src	0%	0%	❌
frame/pallet-xcm/src	64%	0%	➖
frame/block-reward/src	82%	0%	✔
frame/collator-selection/src	80%	0%	➖
frame/dapps-staking/src/pallet	87%	0%	✔
frame/custom-signatures/src	52%	0%	➖
chain-extensions/types/dapps-staking/src	0%	0%	❌
precompiles/assets-erc20/src	76%	0%	➖
precompiles/utils/macro/tests	0%	0%	❌
primitives/xcm/src	64%	0%	➖
chain-extensions/dapps-staking/src	0%	0%	❌
precompiles/utils/src	72%	0%	➖
precompiles/dapps-staking/src	93%	0%	✔
frame/dapps-staking/src	89%	0%	✔
precompiles/utils/src/data	72%	0%	➖
chain-extensions/types/xvm/src	0%	0%	❌
chain-extensions/xvm/src	0%	0%	❌
frame/xc-asset-config/src	67%	0%	➖
frame/pallet-xvm/src	11%	0%	❌
Summary	68% (2586 / 3818)	0% (0 / 0)	➖

Minimum allowed line rate is 50%