v2.3.0

feat: support setting var.database_insights_mode @oycyc (#274)

## what

Allow Database Insights mode to be set.

why

Consumers can choose whether they want Standard (default) or Advanced.

This is supported by Terraform:

references

Closes #269

Update PostgreSQL engine version @goruha (#273)

## what * Update PostgreSQL engine version

why

• Old versions are EOL on AWS

references

• https://linear.app/cloudposse/issue/DEV-3640/decommission-aurora-postgresql-cluster-in-sandbox-aws-799847381734-us