Update workflow to trigger on all workflow files

Co-authored-by: Chris Reed <chris.reed@arm.com>

Author: RobertRostohar

.github/workflows/build-wheels.yml

@@ -6,13 +6,13 @@ name: Build wheels
 on:
   push:
     paths:
-      - '.github/workflows'
+      - '.github/workflows/**'
       - 'src/**'
       - 'setup.*'
       - 'pyproject.toml'
   pull_request:
     paths:
-      - '.github/workflows'
+      - '.github/workflows/**'
       - 'src/**'
       - 'setup.*'
       - 'pyproject.toml'