fix: Simplify CI workflow

.gitea/workflows/ci.yml

@@ -1,3 +1,5 @@
+name: CI
+
 on:
   push:
     branches: [ main ]
@@ -5,21 +7,13 @@ on:
     branches: [ main ]
 
 jobs:
-  test:
+  build:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-
     - uses: actions/setup-node@v4
       with:
         node-version: '20'
-          cache: 'npm'
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Build
-        run: npm run build
-
-      - name: Run tests
-        run: npm test
+    - run: npm ci
+    - run: npm run build --if-present
+    - run: npm test --if-present