Merge pull request #69 from devops-infra/dependabot/docker/alpine-3.15.2

Bump alpine from 3.15.1 to 3.15.2

Dockerfile

@@ -1,5 +1,5 @@
 # Use a clean tiny image to store artifacts in
-FROM alpine:3.15.1
+FROM alpine:3.15.2
 
 # Labels for http://label-schema.org/rc1/#build-time-labels
 # And for https://github.com/opencontainers/image-spec/blob/master/annotations.md