increase heap memory for build step on system-tests (#8758)

Author: cbeauchesne

.github/workflows/system-tests.yaml

@@ -32,7 +32,7 @@ jobs:
       
       - name: Build dd-trace-java
         run: |
-          GRADLE_OPTS="-Dorg.gradle.jvmargs='-Xmx2G -Xms2G'" \
+          GRADLE_OPTS="-Xms2g -Xmx4g -XX:+HeapDumpOnOutOfMemoryError -XX:+UseParallelGC" \
           JAVA_HOME=$JAVA_HOME_8_X64 \
           JAVA_8_HOME=$JAVA_HOME_8_X64 \
           JAVA_11_HOME=$JAVA_HOME_11_X64 \
@@ -60,5 +60,5 @@ jobs:
       binaries_artifact: binaries
       desired_execution_time: 900  # 15 minutes
       scenarios_groups: tracer-release
-      excluded_scenarios: CROSSED_TRACING_LIBRARIES,INTEGRATIONS_AWS  # require AWS credentials
+      excluded_scenarios: CROSSED_TRACING_LIBRARIES,INTEGRATIONS_AWS,APM_TRACING_E2E_OTEL,APM_TRACING_E2E_SINGLE_SPAN,PROFILING  # require AWS and datadog credentials 
       skip_empty_scenarios: true