Add licensing information for .mvn/*.config.

Change-Id: I4455cc008a18dc131875dd07a620ba1fe27160f7
diff --git a/.reuse/dep5 b/.reuse/dep5
index cf3f9c1..b12e448 100644
--- a/.reuse/dep5
+++ b/.reuse/dep5
@@ -3,6 +3,10 @@
 Upstream-Contact: Matthias Andreas Benkard <code@mail.matthias.benkard.de>
 Source: https://gerrit.benkard.de/plugins/gitiles/quarkus-googlecloud-jsonlogging
 
+Files: .mvn/*.config
+Copyright: © 2021 Matthias Andreas Benkard <code@mail.matthias.benkard.de>
+License: LGPL-3.0-or-later
+
 Files: examples/spring-boot/src/main/resources/META-INF/services/*
 Copyright: © 2021 Matthias Andreas Benkard <code@mail.matthias.benkard.de>
 License: GPL-3.0-or-later