CI: Upgrade GitHub Actions

* Bump actions/checkout@v3 to v4
* Bump actions/setup-node@v3 to v4
* Bump peaceiris/actions-hugo@v2 to v3

Author: Vimux

.github/workflows/ci-test.yml

@@ -19,8 +19,8 @@ jobs:
           - '20.x'
 
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
 
@@ -49,11 +49,11 @@ jobs:
       fail-fast: true
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       # https://github.com/peaceiris/actions-hugo (community action)
       - name: Run Hugo ${{ matrix.hugo }}
-        uses: peaceiris/actions-hugo@v2
+        uses: peaceiris/actions-hugo@v3
         with:
           hugo-version: ${{ matrix.hugo }}
           # extended: true