Added hugo version condition

Author: bovem

.github/workflows/main.yaml

@@ -37,7 +37,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     env:
-      HUGO_VERSION: ${{ github.event.inputs.hugoVersion }}
+      HUGO_VERSION: ${{ github.event.inputs.hugoVersion || '0.146.0' }}
     steps:
       - name: Install Hugo CLI
         run: |