BOM: Add jgvariant-ostree.

Change-Id: Ie5ae4801fa476d0572355900b90f76bb1412b4d6
diff --git a/jgvariant-bom/pom.xml b/jgvariant-bom/pom.xml
index df83f0d..e9a2b60 100644
--- a/jgvariant-bom/pom.xml
+++ b/jgvariant-bom/pom.xml
@@ -39,6 +39,11 @@
         <artifactId>jgvariant-core</artifactId>
         <version>${project.version}</version>
       </dependency>
+      <dependency>
+        <groupId>eu.mulk.jgvariant</groupId>
+        <artifactId>jgvariant-ostree</artifactId>
+        <version>${project.version}</version>
+      </dependency>
     </dependencies>
   </dependencyManagement>