Trigger wheel builds when modifying setup.py or pyproject.toml

These two files are the core of the wheel configs, so it makes sense
to try building wheels when they change.

Sort the path entries now that the list is getting longer.

Author: dbort

.github/workflows/build-wheels-linux.yml

@@ -4,8 +4,10 @@ name: Build Linux Wheels
 on:
   pull_request:
     paths:
-      - build/packaging/**
       - .github/workflows/build-wheels-linux.yml
+      - build/packaging/**
+      - pyproject.toml
+      - setup.py
   push:
     branches:
       - nightly

.github/workflows/build-wheels-m1.yml

@@ -4,8 +4,10 @@ name: Build M1 Wheels
 on:
   pull_request:
     paths:
-      - build/packaging/**
       - .github/workflows/build-wheels-m1.yml
+      - build/packaging/**
+      - pyproject.toml
+      - setup.py
   push:
     branches:
       - nightly