drop EOL Ubuntu 18.04 (#170)

saz · web-flow · commit 267ad62344b4 · 2024-05-21T09:23:07.000+02:00
diff --git a/metadata.json b/metadata.json
@@ -57,7 +57,6 @@
     {
       "operatingsystem": "Ubuntu",
       "operatingsystemrelease": [
-        "18.04",
         "20.04",
         "22.04"
       ]
