ci: improve workflows to only run on PR when contract logic is changed

[joshuajbouw]

Its a bit excessive when we keep on needing to run the contract flows when working on code unrelated to the contract like the bots. I propose a change to improve this by adjusting the Github workflows relating to deployments to only run when any of those files had changed in the PR.

This fixes those issues by checking contract changes, or previous stages if they had run.

Related: #206

[github-actions]

Name	Deployment
Registry	gh-207.templar-in-training.testnet
Default market	default-17000062213.gh-207.templar-in-training.testnet

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[peer2f00l]

One comment, otherwise seems good!

[joshuajbouw]

@peer2f00l Added your request, makes sense. I also had removed Cargo.lock because Cargo.lock changes -could- happen on a NEAR smart contract which does change the gas costs and could cause tests to fail, and change gas costs. I should also remove Cargo.toml.

There is a caveat, that adding a dependency to say, bots would trigger a deployment but unsure how to get around that, unless the bots were in a different repo.