[releng] Upgrade eclipse-jarsigner-plugin

This seems necessary to avoid Bug 379801 (presumably caused by
eclipse-jarsigner-plugin Bug 465686 or Bug 465958).

Change-Id: I090fa33eb300f882c5549797ae62052dae751d1b
Signed-off-by: Andreas Sewe <andreas.sewe@codetrails.com>
1 file changed