Fix file location in build_wheel.yml

.github/workflows/build_wheel.yml

@@ -40,7 +40,7 @@ jobs:
         run: |
           if git diff --name-only HEAD~1 | grep -q "VERSION"; then
             echo "version_changed=true" >> $GITHUB_ENV
-            new_version=$(cat loadgen/VERSION.txt)
+            new_version=$(cat VERSION)
             echo "new_version=$new_version" >> $GITHUB_ENV
           else
             echo "VERSION file has NOT been modified"