Chore/rework workflow (#52)

* Reworked the lint action
* Removed the file change requirement
* Repaired mypy
* Repaired pip-audit

.github/workflows/test-and-build-action.yaml

@@ -3,10 +3,6 @@ name: Test & Build
 on:
   pull_request:
   push:
-    paths:
-    - '*.py'
-    - poetry.lock
-    - pyproject.toml
 
 jobs:
   test: