Use SecretsManager integration for the Primary cluster as well

v0.0.3

I was only creating the awsssm integration for the secondary

Fix weird admin password shadowing

Full Changelog: v0.0.1...v0.0.2

Initial release of forked module

What's Changed

• Fork module to enable AWSSM password management by @esmaxwill in #1

New Contributors

• @esmaxwill made their first contribution in #1

Full Changelog: https://github.com/latticehr/terraform-aws-rds-cluster/commits/v0.0.1