chore: scope mypy/pytest workflow paths to reduce CI noise

Author: BobTheBuidler

.github/workflows/build_wheels.yml

@@ -2,6 +2,18 @@ name: Trigger wheel build
 
 on:
   push:
+    paths:
+      - '**/*.py'
+      - '**/*.pyi'
+      - 'pyproject.toml'
+      - 'mypy.ini'
+      - 'setup.cfg'
+      - 'setup.py'
+      - 'requirements*.txt'
+      - 'tox.ini'
+      - 'poetry.lock'
+      - '.pre-commit-config.yaml'
+      - '.github/workflows/build_wheels.yml'
     branches: [main, master, 'release*']
     tags: ['*']