Add missing type hints to dbt/core/version.py

[QMalcolm]

Housekeeping

• I am a maintainer of dbt-core

Short description

We're putting some effort into improving our typing. There are two type errors in dbt/core/version.py, we should fix them.

core/dbt/version.py:52: error: Function is missing a type annotation for one or more arguments  [no-untyped-def]
core/dbt/version.py:211: error: Unused "type: ignore" comment  [unused-ignore]

Acceptance criteria

dbt/core/verison.py doesn't have any type errros

Suggested Tests

N/A

Impact to Other Teams

None

Will backports be required?

No

Context

No response