Fix the `lowestCommonPath` function, by stopping at first different sub-path

[alexdupre]

This fixes issue #772

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 20ed1bf76a73b205be83f737af6f08ca5e2df4b0

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 8 packages

Name	Type
typechain	Patch
@typechain/hardhat	Patch
@typechain/ethers-v5	Patch
@typechain/starknet	Patch
@typechain/truffle-v5	Patch
@typechain/web3-v1	Patch
test-e2e	Patch
example-truffle-v5	Patch

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[krzkaczor]

Merged as https://github.com/dethcrypto/TypeChain/pull/858