Add dbt 1.7 to tests

[dwreeves]

No description provided.

[dwreeves]

This is one of the strangest Python errors I've ever seen in my life.

Traceback (most recent call last):
  File "/home/runner/work/dbt_linreg/dbt_linreg/.venv/bin/dbt", line 5, in <module>
    from dbt.cli.main import cli
  File "/home/runner/work/dbt_linreg/dbt_linreg/.venv/lib/python3.10/site-packages/dbt/cli/__init__.py", line 1, in <module>
    from .main import cli as dbt_cli  # noqa
  File "/home/runner/work/dbt_linreg/dbt_linreg/.venv/lib/python3.10/site-packages/dbt/cli/main.py", line 14, in <module>
    from dbt.cli import requires, params as p
  File "/home/runner/work/dbt_linreg/dbt_linreg/.venv/lib/python3.10/site-packages/dbt/cli/requires.py", line 3, in <module>
    from dbt.adapters.factory import adapter_management, register_adapter
  File "/home/runner/work/dbt_linreg/dbt_linreg/.venv/lib/python3.10/site-packages/dbt/adapters/__init__.py", line 4
    path named after the package which effectively combines both modules into a single namespace (dbt.adapters)
         ^^^^^
SyntaxError: invalid syntax

[dwreeves]

I'm going to chalk that up to cosmic neutrino background radiation or something. I have no other explanation.