Update PostgreSQL version to 18~beta2 and remove testing repository from Dockerfiles

Author: m3hm3t

circleci/images/PG_VERSIONS

@@ -1,4 +1,4 @@
 PG15=15.13
 PG16=16.9
 PG17=17.5
-PG18=18~beta1
+PG18=18~beta2

circleci/images/citusupgradetester/Dockerfile

@@ -62,9 +62,6 @@ curl -sf https://www.postgresql.org/media/keys/ACCC4CF8.asc | APT_KEY_DONT_WARN_
 echo "deb https://apt.postgresql.org/pub/repos/apt bullseye-pgdg main" >> /etc/apt/sources.list.d/postgresql.list
 echo "deb https://apt-archive.postgresql.org/pub/repos/apt bullseye-pgdg-archive main" >> /etc/apt/sources.list.d/postgresql.list
 
-# # bring in the 18 devel/beta packages
-echo "deb https://apt.postgresql.org/pub/repos/apt bullseye-pgdg-testing main 18" >> /etc/apt/sources.list.d/pgdg-testing.list
-
 apt-get update
 
 # infer the pgdgversion of postgres based on the $PG_VERSION

circleci/images/extbuilder/Dockerfile

@@ -51,9 +51,6 @@ curl -sf https://www.postgresql.org/media/keys/ACCC4CF8.asc | APT_KEY_DONT_WARN_
 echo "deb https://apt.postgresql.org/pub/repos/apt bullseye-pgdg main" >> /etc/apt/sources.list.d/postgresql.list
 echo "deb https://apt-archive.postgresql.org/pub/repos/apt bullseye-pgdg-archive main" >> /etc/apt/sources.list.d/postgresql.list
 
-# # bring in the 18 devel/beta packages
-echo "deb https://apt.postgresql.org/pub/repos/apt bullseye-pgdg-testing main 18" >> /etc/apt/sources.list.d/pgdg-testing.list
-
 apt-get update
 
 # infer the pgdgversion of postgres based on the $PG_VERSION

circleci/images/exttester/Dockerfile

@@ -157,9 +157,6 @@ curl -sf https://www.postgresql.org/media/keys/ACCC4CF8.asc | APT_KEY_DONT_WARN_
 echo "deb https://apt.postgresql.org/pub/repos/apt bullseye-pgdg main" >> /etc/apt/sources.list.d/postgresql.list
 echo "deb https://apt-archive.postgresql.org/pub/repos/apt bullseye-pgdg-archive main" >> /etc/apt/sources.list.d/postgresql.list
 
-# # bring in the 18 devel/beta packages
-echo "deb https://apt.postgresql.org/pub/repos/apt bullseye-pgdg-testing main 18" >> /etc/apt/sources.list.d/pgdg-testing.list
-
 apt-get update
 
 # infer the pgdgversion of postgres based on the $PG_VERSION

circleci/images/failtester/Dockerfile

@@ -61,9 +61,6 @@ curl -sf https://www.postgresql.org/media/keys/ACCC4CF8.asc | APT_KEY_DONT_WARN_
 echo "deb https://apt.postgresql.org/pub/repos/apt bullseye-pgdg main" >> /etc/apt/sources.list.d/postgresql.list
 echo "deb https://apt-archive.postgresql.org/pub/repos/apt bullseye-pgdg-archive main" >> /etc/apt/sources.list.d/postgresql.list
 
-# # bring in the 18 devel/beta packages
-echo "deb https://apt.postgresql.org/pub/repos/apt bullseye-pgdg-testing main 18" >> /etc/apt/sources.list.d/pgdg-testing.list
-
 apt-get update
 
 # infer the pgdgversion of postgres based on the $PG_VERSION

circleci/images/pgupgradetester/Dockerfile

@@ -62,8 +62,6 @@ curl -sf https://www.postgresql.org/media/keys/ACCC4CF8.asc | APT_KEY_DONT_WARN_
 echo "deb https://apt.postgresql.org/pub/repos/apt bullseye-pgdg main" >> /etc/apt/sources.list.d/postgresql.list
 echo "deb https://apt-archive.postgresql.org/pub/repos/apt bullseye-pgdg-archive main" >> /etc/apt/sources.list.d/postgresql.list
 
-# # bring in the 18 devel/beta packages
-echo "deb https://apt.postgresql.org/pub/repos/apt bullseye-pgdg-testing main 18" >> /etc/apt/sources.list.d/pgdg-testing.list
 
 apt-get update