drop support for debian 9 (EOL)

jhoblitt · jhoblitt · commit 3ef19ebf337f · 2023-01-27T11:24:02.000-07:00
diff --git a/metadata.json b/metadata.json
@@ -51,7 +51,6 @@
     {
       "operatingsystem": "Debian",
       "operatingsystemrelease": [
-        "9",
         "10"
       ]
     },
