fix: update dev image to bullseye (#756)

Co-authored-by: Leland Garofalo <lelandgarofalo@Lelands-MacBook-Pro.local>

Author: lgarofalo

Dockerfile.dev

@@ -1,6 +1,6 @@
-FROM ruby:2.7.6-buster
+FROM ruby:2.7.6-bullseye
 
-RUN echo 'deb http://apt.postgresql.org/pub/repos/apt/ buster-pgdg main' > /etc/apt/sources.list.d/pgdg.list && \
+RUN echo 'deb http://apt.postgresql.org/pub/repos/apt/ bullseye-pgdg main' > /etc/apt/sources.list.d/pgdg.list && \
    wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add - && \
    apt-get update && \
    apt-get install -y postgresql-client-13 && \