Update to latest Alpine

minecraft_java/spigot/paper-spigot/egg-paper-spigot.json

@@ -18,7 +18,7 @@
     "scripts": {
         "installation": {
             "script": "#!\/bin\/ash\r\n# Paper Spigot Installation Script\r\n#\r\n# Server Files: \/mnt\/server\r\napk update\r\napk add curl\r\n\r\ncd \/mnt\/server\r\n\r\nif [ -z \"${DL_VERSION}\" ] || [ \"${DL_VERSION}\" == \"latest\" ]; then\r\n    DL_VERSION=\"lastSuccessfulBuild\"\r\nfi\r\n\r\ncurl -o ${SERVER_JARFILE} https:\/\/papermc.io\/ci\/job\/Paper-1.13\/${DL_VERSION}\/artifact\/paperclip.jar",
-            "container": "alpine:3.8",
+            "container": "alpine:3.9",
             "entrypoint": "ash"
         }
     },
@@ -42,4 +42,4 @@
             "rules": "required|string|between:3,7"
         }
     ]
-}
+}