deps: bump alpine from 3.11.0 to 3.11.2 (#71)

Bumps alpine from 3.11.0 to 3.11.2.

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.11.0
+FROM alpine:3.11.2
 
 RUN apk add --no-cache \
     bash \