[CT-2039] Raise deprecation warning when compiling/running resource that depends on model with deprecation date

[MichelleArk]

dbt should raise a (deprecation) warning when compiling/running resource that ref’s a model with a deprecation_date.

[emmyoop]

Compilation errors generally occur when we render something in Jinja and it blew up. It's unclear where we would catch the ref to a model with a deprecation date. This may be more complicated than it seems on the surface and might need some exploration on how to solve.

It would be easier to raise the warning when processing refs.

[MichelleArk]

closing in favor of implementation issue: #7433