Fix postgresql 12 on Jammy

Author: kylos101

chunks/tool-postgresql/Dockerfile

@@ -7,7 +7,9 @@ ENV PGWORKSPACE="/workspace/.pgsql"
 ENV PGDATA="$PGWORKSPACE/data"
 
 # Install PostgreSQL
-RUN sudo install-packages postgresql-12 postgresql-contrib-12
+RUN sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list' && \
+    wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add - && \
+    sudo install-packages postgresql-12 postgresql-contrib-12
 
 # Setup PostgreSQL server for user gitpod
 ENV PATH="/usr/lib/postgresql/12/bin:$PATH"