Configure isort to follow black formatting conventions (#249)

## Ticket

n/a

## Changes
 - Configure isort to follow black formatting conventions

## Context for reviewers
- Without this change there are situations where isort's formatting
conflicts with blacks, leading `make format-check` to fail even after
`make-format`

## Testing
You can see an example file that will fail without this change at this
PR: navapbc/labs-referral-pilot#11

Author: KevinJBoyer

template/{{app_name}}/pyproject.toml

@@ -54,11 +54,7 @@ db-migrate-down-all = "src.db.migrations.run:downall"
 line-length = 100
 
 [tool.isort]
-multi_line_output = 3
-include_trailing_comma = true
-force_grid_wrap = 0
-use_parentheses = true
-line_length = 100
+profile = "black"
 
 [tool.ruff]
 line-length = 100