fix: use shell checkout in Gitea workflow (no marketplace actions)

Gitea runner at git.ampbox.io doesn't have an actions mirror.
Replace actions/checkout, setup-node, and wrangler-action with
plain git clone, npm ci, and npx wrangler.

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Co-Authored-By: Amplifier <240397093+microsoft-amplifier@users.noreply.github.com>

.gitea/workflows/deploy.yml

@@ -10,22 +10,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        run: |
+          git clone --depth 1 --branch ${{ github.ref_name }} ${{ github.server_url }}/${{ github.repository }}.git .
 
-      - name: Setup Node
-        uses: actions/setup-node@v4
-        with:
-          node-version: 22
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Build
-        run: npm run build
-
-      - name: Deploy to Cloudflare Pages
-        uses: cloudflare/wrangler-action@v3
-        with:
-          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
-          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
-          command: pages deploy dist/ --project-name=crashtestdev
+      - name: Build and deploy
+        run: |
+          npm ci
+          npm run build
+          npx wrangler pages deploy dist/ --project-name=crashtestdev
+        env:
+          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}