Use npm view to derive version instead of git tags

.github/workflows/publish.yml

@@ -21,7 +21,7 @@ jobs:
           scope: '@kedyou'
       - name: Build and publish
         run: |
-          npm version --no-git-tag-version from-git
+          npm version --no-git-tag-version "$(npm view @kedyou/mathlive version)"
           npm version --no-git-tag-version --preid=kedyou prerelease
           npm ci
           npm publish