Release: Update category.xml

Signed-off-by: Soeren Domroes <[email protected]>

Author: soerendomroes

build/org.eclipse.elk.repository/category.xml

@@ -8,8 +8,8 @@
   SPDX-License-Identifier: EPL-2.0
 -->
 <site>
-   <description name="Eclipse Layout Kernel (Nightly Builds)" url="http://build.eclipse.org/modeling/elk/updates/nightly">
-      Nightly build update site for the Eclipse Layout Kernel.
+   <description name="Eclipse Layout Kernel (Release 0.8.0)" url="https://download.eclipse.org/elk/updates/releases/0.8.0/">
+      Update site for the Eclipse Layout Kernel, version 0.8.0.
    </description>
    <feature url="features/org.eclipse.elk_0.8.0.jar" id="org.eclipse.elk.feature" version="0.8.0">
       <category name="elk"/>