Migrate `Database` to v2

[mandryllo]

Key deliverables:

• switch to builder pattern
• support blue/green deployments
• make autoMinorVersionUpgrade option configurable
• add integration tests
• add legacy prefix to the old component
• change VPC configuration
• enable creation of custom parameter group

[droguljic]

Specific issue for enabling SSM connect within the v2 database functionality - #76

[mandryllo]

Created separate ticket for enabling database replica within the v2 database functionality #77

Created separate ticket for introducing IAM authentication #78