Drop support for dbt versions below 1.3

[emielver]

Describe the feature

dbt-core v1.3.x is a decent shift away from previous versions of dbt in terms of functionality and macros, so we need to prepare our web package to be able to support this version and drop support for lower versions.

Dependency

We need to wait for dbt-utils v1.0 to be released, then update snowplow-utils to support that version of dbt-utils, and then build on top of that later snowplow-utils release