chore(deps-dev): bump org.mockito:mockito-core from 5.19.0 to 5.20.0 in /aws-serverless-java-container-springboot3

chore(deps-dev): bump org.mockito:mockito-core from 5.19.0 to 5.20.0 in /aws-serverless-java-container-springboot3 #3088