HPCC-11250 Add --update-dfs option to ecl-publish

ecl publish --daliip <IP> --update-dfs

Will update and overwrite local dfs information with the current
remote dfs information from dali at <IP>.

Signed-off-by: Anthony Fishbeck <anthony.fishbeck@lexisnexis.com>
Merge pull request #5805 from afishbeck/publishUpdateDfs

HPCC-11250 Add --update-dfs option to ecl-publish

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>