ort: [Docker] git clone via SSH fails

Hi,

Since I updated the source code from August 19 to September 29 for my docker ort image, I’ve some troubles during the scan.

Now, when I’m running ORT, I add -u ort:ort, but I’m facing with some errors during git clone due to the user.

[2022-09-30T15:32:59.676Z] ________ _____________________
[2022-09-30T15:32:59.676Z] \_____  \\______   \__    ___/ the OSS Review Toolkit, version DOCKER-SNAPSHOT.
[2022-09-30T15:32:59.676Z]  /   |   \|       _/ |    |
[2022-09-30T15:32:59.676Z] /    |    \    |   \ |    |    Running 'scan' under Java 11.0.16.1 on Linux with
[2022-09-30T15:32:59.676Z] \_______  /____|_  / |____|    3 CPUs and a maximum of 10240 MiB of memory.
[2022-09-30T15:32:59.676Z]         \/       \/
[2022-09-30T15:32:59.676Z] Environment variables:
[2022-09-30T15:32:59.676Z] ORT_CONFIG_DIR = /home/ort/.ort/config
[2022-09-30T15:32:59.676Z] ORT_DATA_DIR = /home/ort/.ort
[2022-09-30T15:32:59.676Z] JAVA_HOME = /opt/java/openjdk
[2022-09-30T15:32:59.676Z] ANDROID_HOME = /opt/android-sdk
[2022-09-30T15:32:59.676Z] 
[...]
[2022-09-30T15:33:34.121Z] 15:33:31.596 [main] INFO  org.ossreviewtoolkit.scanner.PathScanner - Scanning 'Maven:com.fasterxml:classmate:1.5.1' in thread 'main' (2 of 79)
[2022-09-30T15:33:34.121Z] 15:33:31.599 [main] INFO  org.ossreviewtoolkit.downloader.Downloader - Trying to download 'Maven:com.fasterxml:classmate:1.5.1' sources to '/tmp/ort-ScanCode16026999469159078050/Maven/com.fasterxml/classmate/1.5.1' from VCS...
[2022-09-30T15:33:34.121Z] 15:33:31.601 [main] INFO  org.ossreviewtoolkit.downloader.Downloader - Using processed VcsInfo(type=Git, url=ssh://git@github.com/FasterXML/java-classmate.git, revision=classmate-1.5.1, path=). Original was VcsInfo(type=Git, url=git@github.com:FasterXML/java-classmate.git, revision=classmate-1.5.1, path=).
[2022-09-30T15:33:34.121Z] 15:33:31.601 [main] INFO  org.ossreviewtoolkit.downloader.Downloader - Detected VCS type 'Git' from type name 'Git'.
[2022-09-30T15:33:34.121Z] 15:33:31.610 [main] INFO  org.ossreviewtoolkit.downloader.VersionControlSystem - Adding Git revision 'classmate-1.5.1' (taken from package metadata) as a candidate.
[2022-09-30T15:33:34.381Z] 15:33:34.286 [main] INFO  org.ossreviewtoolkit.downloader.VersionControlSystem - No Git revision for package 'classmate' and version '1.5.1' found: IOException: Unable to list the remote tags.
[2022-09-30T15:33:34.381Z] Caused by: TransportException: ssh://git@github.com/FasterXML/java-classmate.git: Auth fail
[2022-09-30T15:33:34.381Z]     Caused by: TransportException: ssh://git@github.com/FasterXML/java-classmate.git: Auth fail
[2022-09-30T15:33:34.381Z]         Caused by: JSchException: Auth fail
[2022-09-30T15:33:34.381Z] 15:33:34.287 [main] INFO  org.ossreviewtoolkit.downloader.VersionControlSystem - Trying revision candidate 'classmate-1.5.1' (1 of 1)...
[2022-09-30T15:33:34.381Z] 15:33:34.287 [main] INFO  org.ossreviewtoolkit.downloader.vcs.Git - Trying to fetch only revision 'classmate-1.5.1' with depth limited to 50.
[2022-09-30T15:33:34.381Z] 15:33:34.292 [main] INFO  org.ossreviewtoolkit.utils.common.ProcessCapture - Running 'git fetch --depth 50 origin classmate-1.5.1' in '/tmp/ort-ScanCode16026999469159078050/Maven/com.fasterxml/classmate/1.5.1'...
[2022-09-30T15:33:34.382Z] 15:33:34.319 [main] INFO  org.ossreviewtoolkit.downloader.vcs.Git - Could not fetch only revision 'classmate-1.5.1': IOException: Running 'git fetch --depth 50 origin classmate-1.5.1' in '/tmp/ort-ScanCode16026999469159078050/Maven/com.fasterxml/classmate/1.5.1' failed with exit code 128:
[2022-09-30T15:33:34.382Z] No user exists for uid 1000
[2022-09-30T15:33:34.382Z] fatal: Could not read from remote repository.
[2022-09-30T15:33:34.382Z] 
[2022-09-30T15:33:34.382Z] Please make sure you have the correct access rights
[2022-09-30T15:33:34.382Z] and the repository exists.

Any idea ?