fix/batch-changes: validate files target paths in changeset hooks and executor#1352

cbrnrd merged 4 commits into

mainsourcegraph/src-cli:mainfrom

carterbrainerd-vuln-104-changesethooks-files-validation-bypass-can-reach-executorsourcegraph/src-cli:carterbrainerd-vuln-104-changesethooks-files-validation-bypass-can-reach-executorCopy head branch name to clipboard