Bump GitHub actions' versions

Author: Leo3418

.github/workflows/hugo.yaml

@@ -8,7 +8,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # For Hugo's '.GitInfo'
       - name: "Set up Hugo"
@@ -19,7 +19,7 @@ jobs:
       - name: "Build the site with Hugo"
         run: hugo
       - name: "Upload the site as an artifact"
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v5
         with:
           path: "public/"
 
@@ -39,4 +39,4 @@ jobs:
     steps:
       - name: "Deploy the site to GitHub Pages"
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v5