Updates to ruby 2.7.2

.ruby-version

@@ -1 +1 @@
-2.7.1
+2.7.2

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.7.1-alpine AS builder
+FROM ruby:2.7.2-alpine AS builder
 LABEL maintainer="WPScan Team <contact@wpscan.com>"
 
 RUN echo "install: --no-document --no-post-install-message\nupdate: --no-document --no-post-install-message" > /etc/gemrc