Upgrade to Micronaut 3

[pgressa]

Upgrade microservices

• api - https://github.com/oracle-quickstart/oci-micronaut/pull/11
• carts - https://github.com/oracle-quickstart/oci-micronaut/pull/20
• catalogue - https://github.com/oracle-quickstart/oci-micronaut/pull/19
• events - https://github.com/oracle-quickstart/oci-micronaut/pull/18
• fulfillment - https://github.com/oracle-quickstart/oci-micronaut/pull/16
• orders - https://github.com/oracle-quickstart/oci-micronaut/pull/17
• payment - https://github.com/oracle-quickstart/oci-micronaut/pull/12
• user - https://github.com/oracle-quickstart/oci-micronaut/pull/13

Upgrade functions

• newsletter -

Upgrade and test deployment

• docker-compose - https://github.com/oracle-quickstart/oci-micronaut/pull/11
• oraclecloud
• aws

Release new version of Micronaut MuShop

• release 3.2