Run with python3 not python

Co-authored-by: Andrew Murray <3112309+radarhere@users.noreply.github.com>

Author: hugovk

.github/workflows/wheels.yml

@@ -253,7 +253,7 @@ jobs:
           path: sbom
 
       - name: Embed SBOM in wheels
-        run: python .github/embed-sbom.py wheelhouse sbom
+        run: python3 .github/embed-sbom.py wheelhouse sbom
 
       - name: Upload wheels
         uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1