fix: use hugo.IsMultilingual to replace deprecated .Site.IsMultiLingual (#404)

.github/CONTRIBUTING.md

@@ -57,7 +57,7 @@ We recommend that you search existing [issues][issues] or discussions before ope
 
 ### Local development setup
 
-- [Hugo][hugo] >= v0.115.0 (extended version)
+- [Hugo][hugo] >= v0.124.0 (extended version)
 - [Node.js][nodejs]
 - [Go][go]
 

.github/workflows/pages.yml

@@ -31,7 +31,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     env:
-      HUGO_VERSION: 0.124.1
+      HUGO_VERSION: 0.126.1
     steps:
       - name: Checkout
         uses: actions/checkout@v4