Upgrade dependencies

[mp911de]

• HttpClient 4.5.13
• HttpCore 4.4.14
• Jetty Reactive Httpclient 1.1.4
• Jackson Databind 2.12.0
• AWS SDK 1.11.916
• Google API Services v1-rev20201112-1.31.0
• Google Oauth 0.22.1
• BouncyCastle 1.67
• AssertJ 3.18.1
• JUnit 5.7.0
• Kotlin 1.4.21
• Kotlin Coroutines 1.4.2
• Mockito 3.6.28
• Spring Framework 5.3.2
• Spring Data 2020.0.2
• Spring Security 5.4.2
• Reactor Dysprosium 2020.0.2