Bump to 1.15.5, switch back to release only on tag

Author: araistrick

.github/workflows/release.yml

@@ -101,7 +101,7 @@ jobs:
   publish_to_pypi:
     name: Publish wheels to PyPi
     # if branch main repo "infinigen"
-    if: github.repository == 'princeton-vl/infinigen' && github.event_name == 'push'
+    if: github.repository == 'princeton-vl/infinigen' && startsWith(github.event.ref, 'refs/tags')
     needs: [build_sdist_purepy, build_wheels]
     runs-on: ubuntu-latest
     steps:

infinigen/__init__.py

@@ -6,7 +6,7 @@
 import logging
 from pathlib import Path
 
-__version__ = "1.15.4"
+__version__ = "1.15.5"
 
 
 def repo_root():