HPCC-11824 Update Supported OSs in docs

Signed-off-by: Jim DeFabia <jamesdefabia@lexisnexis.com>
HPCC-11824 Edits based upon feedback

Signed-off-by: Jim DeFabia <jamesdefabia@lexisnexis.com>
Merge pull request #6177 from JamesDeFabia/11824UpdateSupportedOSInDocs

HPCC-11824 Update Supported OSs in docs

Reviewed-By: Xiaoming Wang <xiaoming.wang@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>