ci: clean rebuild in build action, use turbo cache in all other actions

[alvrs]

• In build: clean before build #1027 we added a clean step before the build step. The clean step removes build artifacts, so afterwards a full rebuild is necessary. This caused an issue if the turbo cache was hit and the rebuild was skipped, eg https://github.com/latticexyz/mud/actions/runs/5293787981/jobs/9582365505?pr=1011
• This PR changes pulls out the build step from the the Setup composite action and instead creates a new Build composite action that uses the turbo cache and does not clean the artifacts
• This new Build composite action is used in all actions, except the Build and validate artifacts action, which first cleans the artifacts and then performs a full rebuild without the turbo cache.

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Latest commit: 9eb4438

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[alvrs]

self-approving to unblock #1011