fix: update rubygems to address the build error

Error on "ensures the dev environment image builds" job:
 #11 1.812 ffi-1.17.0-x86_64-linux-musl requires rubygems version >= 3.3.22, which is
 #11 1.812 incompatible with the current version, 3.1.6
 #11 ERROR: process "/bin/sh -c bundle install" did not complete successfully: exit code: 5

The rubygems version 3.4.22 is the last to support ruby 2.7.X

Dockerfile

@@ -13,6 +13,8 @@ RUN apt-get update && apt-get install -yyq --no-install-recommends \
   && apt-get clean \
   && rm -rf /va/lib/apt/lists/*
 
+RUN gem update --system 3.4.22
+
 COPY Gemfile* /app/
 WORKDIR /app/
 RUN bundle config --local gemfile Gemfile.docker