fix(ci): use native sonar-scanner CLI instead of npm wrapper

The npm sonarqube-scanner bootstrapper was ignoring the host URL and
defaulting to sonarcloud.io. Switch to the official sonar-scanner-cli
binary which respects -D flags directly.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/sonarqube.yml

@@ -8,21 +8,32 @@ on:
 jobs:
   sonarqube:
     runs-on: ubuntu-latest
-    container:
-      image: node:22-bookworm-slim
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
       - name: Install dependencies
         run: npm ci
 
       - name: Run tests with coverage
         run: npx vitest run --exclude 'e2e/**' --coverage --coverage.reporter=lcov
 
-      - name: Install SonarQube scanner
-        run: npm install -g sonarqube-scanner
+      - uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 17
+
+      - name: Install sonar-scanner
+        run: |
+          SONAR_SCANNER_VERSION=6.2.1.4610
+          curl -sSLo sonar-scanner.zip "https://binaries.sonarsource.com/Distribution/sonar-scanner-cli/sonar-scanner-cli-${SONAR_SCANNER_VERSION}-linux-x64.zip"
+          unzip -q sonar-scanner.zip
+          echo "$PWD/sonar-scanner-${SONAR_SCANNER_VERSION}-linux-x64/bin" >> "$GITHUB_PATH"
 
       - name: Run SonarQube analysis
         env:
@@ -31,7 +42,7 @@ jobs:
         run: |
           sonar-scanner \
             -Dsonar.host.url="$SONAR_HOST_URL" \
-            -Dsonar.token="$SONAR_TOKEN" \
+            -Dsonar.login="$SONAR_TOKEN" \
             -Dsonar.projectKey=cameleer-design-system \
             -Dsonar.projectName="Cameleer Design System" \
             -Dsonar.sources=src/design-system \