Update bashbrew builder Dockerfile to Alpine 3.11

tianon · tianon · commit da648dc4f754 · 2020-01-14T15:57:02.000-08:00
diff --git a/Dockerfile.release b/Dockerfile.release
@@ -1,4 +1,4 @@
-FROM golang:1.13-alpine3.10
+FROM golang:1.13-alpine3.11
 
 RUN apk add --no-cache \
 		file \
