fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-ALPINE320-OPENSSL-7895537
- https://snyk.io/vuln/SNYK-ALPINE320-OPENSSL-7895537

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:3.2-alpine
+FROM ruby:3.3.5-alpine
 
 RUN apk add --no-cache -X http://dl-cdn.alpinelinux.org/alpine/edge/testing hub
 RUN apk add --update --no-cache git openssh bash