Update main.yml

.github/workflows/main.yml

@@ -7,7 +7,7 @@ jobs:
     name: Build the documentation site
     runs-on: ubuntu-latest
     env:
-      HUGO_VERSION: v0.111.2
+      HUGO_VERSION: 0.111.2
     steps:
     - name: Start
       run: echo "The name of the branch is ${{ github.ref }} at ${{ github.repository }}"