fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN11-GNUTLS28-6062102
- https://snyk.io/vuln/SNYK-DEBIAN11-PERL-6085272
- https://snyk.io/vuln/SNYK-DEBIAN11-TAR-3253527
- https://snyk.io/vuln/SNYK-DEBIAN11-ZLIB-6008961
- https://snyk.io/vuln/SNYK-DEBIAN11-ZLIB-6008961

Dockerfile

@@ -1,6 +1,6 @@
 # REF: https://docs.docker.com/engine/reference/builder/
 # REF: https://hub.docker.com/_/ruby
-FROM ruby:3.2.2-slim-bullseye
+FROM ruby:3.2.3-slim-bullseye
 
 # We point to the original repository for the image
 LABEL org.opencontainers.image.source https://github.com/jonasbn/docker-cheatset