fix: workflow node version

Author: winverse

.github/workflows/velog-web-build.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18.18.2s]
+        node-version: [18.18.2]
     defaults:
       run:
         working-directory: './packages/velog-web'