app.yaml: update to go112

Brandon Philips · Brandon Philips · commit b3225925941c · 2020-02-05T09:04:02.000-08:00
GoogleCloudPlatform#29 (comment) etcd-io/maintainers#17
diff --git a/app.yaml b/app.yaml
@@ -1,6 +1,5 @@
-runtime: go
-api_version: go1
+runtime: go112
 
 handlers:
 - url: /.*
-  script: _go_app
+  script: auto
