Release v1.8.15

1.8.15 (2021-09-02)

Build Systems

• Update aws-java-sdk-dynamodb, ... from 1.12.59 to 1.12.60 (7cbed0b)
• Update elasticsearch-rest-high-level-client from 7.14.0 to 7.14.1 (3dc252f)
• Update flyway-core from 7.14.0 to 7.14.1 (919b333)
• Update scala3-library from 3.0.1 to 3.0.2 (a396d53)