[PATCH 2 of 3] Simplify setting restlet version

[Wald Commits]

# HG changeset patch
# User Tom Gottfried <tom at intevation.de>
# Date 1673961629 -3600
#      Tue Jan 17 14:20:29 2023 +0100
# Branch 3.2.x
# Node ID d41cdb5a386bb8fe3094f632d525dd084a3869fe
# Parent  811b01e822dab8454085eff42e1b5fa2a27bf399
Simplify setting restlet version

diff -r 811b01e822da -r d41cdb5a386b artifact-database/pom.xml
--- a/artifact-database/pom.xml	Tue Jan 17 14:19:56 2023 +0100
+++ b/artifact-database/pom.xml	Tue Jan 17 14:20:29 2023 +0100
@@ -8,6 +8,9 @@
   <modelVersion>4.0.0</modelVersion>
   <artifactId>artifact-database</artifactId>
   <name>artifact-database</name>
+  <properties>
+    <restlet.version>2.0.7</restlet.version>
+  </properties>
   <build>
     <plugins>
       <plugin>
@@ -38,17 +41,17 @@
     <dependency>
       <groupId>org.restlet.jse</groupId>
       <artifactId>org.restlet</artifactId>
-      <version>2.0.7</version>
+      <version>${restlet.version}</version>
     </dependency>
     <dependency>
       <groupId>org.restlet.jse</groupId>
       <artifactId>org.restlet.ext.xml</artifactId>
-      <version>2.0.7</version>
+      <version>${restlet.version}</version>
     </dependency>
     <dependency>
       <groupId>org.restlet.jse</groupId>
       <artifactId>org.restlet.ext.jetty</artifactId>
-      <version>2.0.7</version>
+      <version>${restlet.version}</version>
     </dependency>
     <dependency>
       <groupId>com.h2database</groupId>