Install the same loader version as the timescale version

Author: Ignas

Dockerfile

@@ -21,7 +21,7 @@ RUN <<EOT
 
   # Install Timescale
   apt-get update
-  apt-get install -y --no-install-recommends "timescaledb-2-postgresql-$POSTGRES_VERSION=$TIMESCALE_VERSION~debian$VERSION_ID"
+  apt-get install -y --no-install-recommends "timescaledb-2-postgresql-$POSTGRES_VERSION=$TIMESCALE_VERSION~debian$VERSION_ID" "timescaledb-2-loader-postgresql-$POSTGRES_VERSION=$TIMESCALE_VERSION~debian$VERSION_ID"
 
   # Cleanup
   apt-get purge -y curl