git: openjdk/skara: Use unique folder per repo for notifier materialization

[Robin Westberg]

Changeset: 8f9bf4f1
Author:    Robin Westberg <rwestberg at openjdk.org>
Date:      2020-02-19 08:48:55 +0000
URL:       https://git.openjdk.java.net/skara/commit/8f9bf4f1

Use unique folder per repo for notifier materialization

Reviewed-by: ehelin

! bots/notify/src/main/java/org/openjdk/skara/bots/notify/RepositoryWorkItem.java