Fixes and adds tests for Kotlin Serialization version compatibility issue

[JasonSznol]

Changes

• Adds the integration-test subproject which validates that the binaries produced will work in an environment using the minimum required versions.
• Sets the preferred version of Kotlin Serialization to 1.7.3 to fix crashing issues when OpenRTB used with older serialization versions
• Renamed DeserializationTest to BIdRequestTest and BIdResponseTest
• Updated Kotlin API version to 1.9

Min Versions

• Android Gradle Plugin: 8.2.2
• Android Compile SDK: 34
• Kotlin: 1.9.22
• Kotlin Serialization: 1.5.1

Updated Libraries

• Gradle: 8.14
• Kotlin: 2.1.20
• Kotlin Serialization: Require 1.5.1, Preferred 1.7.3

Note

This passed and failed checks demonstrate different approaches tried to fix the underlying crash.