Bumps alpine from 3.11 to 3.12.1. Signed-off-by: dependabot[bot] <support@github.com>
@@ -1,4 +1,4 @@
-FROM alpine:3.11
+FROM alpine:3.12.1
ARG DOVECOT_PACKAGE_VERSION=2.3.9.3-r0
ARG SOCAT_PACKAGE_VERSION=1.7.3.3-r1
dependabot[bot]