ci: add --allow-same-version to npm version step

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: 2 people

.github/workflows/npm-publish.yml

@@ -26,7 +26,7 @@ jobs:
           registry-url: https://registry.npmjs.org/
       - run: npm ci
       # Set version from the release tag (e.g. v0.2.0 → 0.2.0)
-      - run: npm version ${GITHUB_REF_NAME#v} --no-git-tag-version
+      - run: npm version ${GITHUB_REF_NAME#v} --no-git-tag-version --allow-same-version
       - run: npm publish --access public
         env:
           NODE_AUTH_TOKEN: ${{ secrets.npm_token }}