Bump alpine version

Author: kpcyrd

Dockerfile

@@ -1,5 +1,5 @@
 # Start with a rust alpine image
-FROM rust:1-alpine3.10
+FROM rust:1-alpine3.11
 # if needed, install dependencies here
 #RUN apk add libseccomp-dev
 # set the workdir and copy the source into it
@@ -9,7 +9,7 @@ COPY ./ /app
 RUN cargo build --release
 
 # use a plain alpine image, the alpine version needs to match the builder
-FROM alpine:3.10
+FROM alpine:3.11
 # if needed, install dependencies here
 #RUN apk add libseccomp
 # copy the binary into the final image