ci: --allow-same-version on publish

Same fix as expect-helper: re-triggering a release on the existing
tag (or any case where the tag matches package.json) no longer errors
with "Version not changed".

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: DavertMik

.github/workflows/publish.yml

@@ -41,7 +41,7 @@ jobs:
       - run: npm install
 
       - name: Set package version from release tag
-        run: npm version "${{ github.event.release.tag_name }}" --no-git-tag-version
+        run: npm version "${{ github.event.release.tag_name }}" --no-git-tag-version --allow-same-version
 
       - name: Publish to npm
         run: |