ci: fix workflow stability by using standard actions

.gitea/workflows/test.yml

@@ -15,9 +15,14 @@ jobs:
 
     steps:
       - name: Checkout repository
-        run: |
-          git clone http://gitea:3000/jimmy/nas-tools.git .
-          git checkout ${{ github.sha }}
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+          cache: 'pip'
+          cache-dependency-path: 'dashboard/backend/requirements*.txt'
 
       - name: Install dependencies
         run: |
@@ -46,14 +51,14 @@ jobs:
 
     steps:
       - name: Checkout repository
-        run: |
-          git clone http://gitea:3000/jimmy/nas-tools.git .
-          git checkout ${{ github.sha }}
+        uses: actions/checkout@v4
 
-      - name: Install Node.js
-        run: |
-          curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
-          apt-get install -y nodejs
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+          cache-dependency-path: 'dashboard/frontend/package-lock.json'
 
       - name: Install dependencies
         run: |