insert oldest-supported-numpy into pyproject.toml

Author: jswhit

.github/workflows/build-wheels.yml

@@ -119,7 +119,8 @@ jobs:
         cd $REPO_DIR
         git checkout master
         git pull
-        #git checkout $BUILD_COMMIT
+        git checkout $BUILD_COMMIT
+        sed -i -e "s/numpy/oldest-supported-numpy/g" pyproject.toml 
         cd ..
         echo "------- BUILD WHEEL --------"
         build_wheel $REPO_DIR $PLAT