Change tarLongFileMode to posix for assembly building

Description

Per Michał Szynkiewicz:

The currently selected gnu results in the following errors in environments with large user ids:

Execution make-assembly of goal org.apache.maven.plugins:maven-assembly-plugin:3.1.0:single failed: user id '...' is too big

Environment

None

Status

Assignee

Unassigned

Reporter

Guillaume Smet

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Priority

Minor
Configure