Fix release workflow, remove duplicate publish.yml

- Fix logic bug in testpypi condition (missing parentheses)
- Remove redundant publish.yml (release.yml handles both targets)

Signed-off-by: Claude Opus 4.5 <noreply@anthropic.com>
Signed-off-by: Deborah Jacob <deborah@botanu.ai>

Author: deborahjacob-botanu

.github/workflows/publish.yml

@@ -61,9 +61,9 @@ jobs:
   # -------------------------------------------------------------------
   publish-testpypi:
     needs: build
-    if: |
+    if: >-
       github.event_name == 'workflow_dispatch' && github.event.inputs.publish_target == 'testpypi'
-      || (github.event_name == 'push' && contains(github.ref, '-alpha') || contains(github.ref, '-beta') || contains(github.ref, '-rc'))
+      || (github.event_name == 'push' && (contains(github.ref, '-alpha') || contains(github.ref, '-beta') || contains(github.ref, '-rc')))
     runs-on: ubuntu-latest
     environment:
       name: testpypi