chore: upgrade testbench to 9.0.8

ZheSun88 · web-flow · commit da5d46ca0af5 · 2023-10-20T16:09:06.000+03:00
diff --git a/versions.json b/versions.json
@@ -398,7 +398,7 @@
             "pro": true
         },
         "vaadin-testbench": {
-            "javaVersion": "9.0.7",
+            "javaVersion": "9.0.8",
             "pro": true
         }
     }
