Print rsync output on RHEL9

[sbliven]

#43 contains a regression on RHEL9 where the rsync output isn't printed.

Michael reports on RHEL8:

2024/04/25 14:39:56 Running: [/usr/bin/rsync -e ssh -avxz --progress -q --msgs2stderr /home/kallmeier_m/testfiles/ [email protected]:archive/18715950-5c68-440b-bc4c-960ca5cc4987/home/kallmeier_m/testfiles].
sending incremental file list
./
AREMA Portal Client Installation and Configuration Guide.doc
      2,719,744 100%   25.88MB/s    0:00:00 (xfr#1, to-chk=3/5)
SeaChestUtilities.zip
    481,682,157 100%   27.82MB/s    0:00:16 (xfr#2, to-chk=2/5)
ibm-semeru-open-8-jdk-1.8.0.332.b09_0.32.0-1.x86_64.rpm
     93,588,112 100%   24.12MB/s    0:00:03 (xfr#3, to-chk=1/5)
testfile-to-write-in.json
              7 100%    0.01kB/s    0:00:00 (xfr#4, to-chk=0/5)
 
sent 577,430,015 bytes  received 95 bytes  28,167,322.44 bytes/sec
total size is 577,990,020  speedup is 1.00

while on RHEL9:

...
2024/04/23 09:58:35 Do you want to continue (Y/n)? 
y
2024/04/23 09:58:36 Created dataset with id 20.500.11935/26e7695e-daf2-4cf6-ab5b-c3663f6041cb
2024/04/23 09:58:36 The dataset contains 3 files. 
2024/04/23 09:58:37 Created file block from file 0 to 2 with total size of 577990013 bytes and 3 files 
2024/04/23 09:58:37 short dataset id: 26e7695e-daf2-4cf6-ab5b-c3663f6041cb
2024/04/23 09:58:37 Running: [/usr/bin/rsync -e ssh -avxz --progress --stderr=error /home/kallmeier_m/testfiles/ [email protected]:archive/26e7695e-daf2-4cf6-ab5b-c3663f6041cb/home/kallmeier_m/testfiles].
---rsync output missing here------
2024/04/23 09:58:50 Successfully updated {"pid":"20.500.11935/26e7695e-daf2-4cf6-ab5b-c3663f6041cb","owner":"kallmeier_m","ownerEmail":"","contactEmail":"","sourceFolder":"/home/kallmeier_m/testfiles","sourceFolderHost":"ginfra.psi.ch","size":577990013,"numberOfFiles":3,"creationTime":"2020-10-28T08:09:00.000Z","type":"base","datasetName":"kallmeier_m/testfiles","classification":"IN=medium,AV=low,CO=low","license":"CC BY-SA 4.0","version":"3.1.0","isPublished":false,"ownerGroup":"a-35259","accessGroups":null,"createdBy":"oidc.kallmeier_m","updatedBy":"oidc.kallmeier_m","history":[],"datasetlifecycle":{"archivable":true,"retrievable":false,"publishable":false,"archiveRetentionTime":"2034-04-23T00:00:00.000Z","dateOfPublishing":"2027-04-23T00:00:00.000Z","isOnCentralDisk":false,"archiveStatusMessage":"datasetCreated","retrieveStatusMessage":"","retrieveIntegrityCheck":false},"createdAt":"2024-04-23T07:58:36.855Z","updatedAt":"2024-04-23T07:58:50.686Z","techniques":[],"creationLocation":"Kallmeier Test Robocopy","principalInvestigator":""}
2024/04/23 09:58:50 Submitting Archive Job for the ingested datasets.
2024/04/23 09:58:50 Job response Status: okay
2024/04/23 09:58:50 A confirmation email will be sent to [email protected]
20.500.11935/26e7695e-daf2-4cf6-ab5b-c3663f6041cb

The difference is that RHEL9 uses rsync 3.2.3, which uses --stderr=error instead of --msgs2stderr.