require at least klayout 0.28.17

Author: sebastian-goeldi

klayout/grain.xml

@@ -4,7 +4,7 @@
  <token/>
  <hidden>false</hidden>
  <version>0.3.0</version>
- <api-version>0.28</api-version>
+ <api-version>0.28.17</api-version>
  <title>klive</title>
  <doc>klive server to be able to stream a gds by tcp/ip</doc>
  <doc-url>https://gdsfactory.github.io/klive</doc-url>