Change the runner and options for unified dogfooding

Author: aurelien-coet-sonarsource

.github/workflows/unified-dogfooding.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   unified-platform-dogfooding:
-    runs-on: github-ubuntu-latest-m
+    runs-on: github-ubuntu-latest-l
     name: Unified Platform Dogfooding
     permissions:
       id-token: write
@@ -17,12 +17,11 @@ jobs:
         with:
           version: 2025.7.12
       - uses: SonarSource/ci-github-actions/build-maven@v1
-        env:
-          MAVEN_OPTS: "-Xmx8g"
         with:
           run-shadow-scans: true
           artifactory-reader-role: private-reader
           artifactory-deployer-role: qa-deployer
+          scanner-java-opts: '-Xmx2g'
       - name: Run IRIS Analysis
         uses: SonarSource/unified-dogfooding-actions/run-iris@v1
         with: