Fix typo in build-docs.yml

Author: sadikkuzu

.github/workflows/build-docs.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Install Packages
         run: pnpm install --frozen-lockfile
 
-      - name: Verify release verion
+      - name: Verify release version
         if: ${{ github.event_name == 'push' && (github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/heads/release')) }}
         run: pnpm --filter mermaid run docs:verify-version