Update instalation matrix

Author: RasmusOrsoe

docs/source/installation/quick-start.html

@@ -75,7 +75,7 @@
 <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
 <script>
   var graphnetList = [
-    ['v1.8.0', 'v1.8.0'],
+    ['v1.8.0', 'v1.8.0 (Stable)'],
     ['latest', 'Latest'],
   ];