PEP 440 compliant

Author: kevinjqliu

.github/workflows/nightly-pypi-build.yml

@@ -28,7 +28,7 @@ jobs:
   nightly-build:
     uses: ./.github/workflows/pypi-build-artifacts.yml  # Reference the PyPI build workflow
     with:
-      VERSION: "nightly-$(date +'%Y%m%d')"  # Generate nightly version
+      VERSION: "0.0.0+$(date +'%Y%m%d')-nightly"  # Generate nightly version
       RC: "0"  # Reset RC for nightly builds
 
   testpypi-publish: