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CLI Raise error when both --local-dir and --cache-dir are provided

CLI Raise error when both --local-dir and --cache-dir are provided: a task in repo2rlenv-pr-diff (Harbor dataset). Title: CLI Raise error when both --local-dir and --cache-dir are provided

The task

**Title:** [CLI] Raise error when both --local-dir and --cache-dir are provided

Part of FineEnvs/repo2rlenv-pr-diff.