Update linux-emulator-instructions.md

Author: StefArroyo

articles/cosmos-db/includes/linux-emulator-instructions.md

@@ -18,7 +18,7 @@
     docker run \
         --publish 8081:8081 \
         --publish 10250-10255:10250-10255 \
-        --memory 3g --cpus=2.0 \
+        --memory 3g --cpus=4.0 \
         --name=test-linux-emulator \
         --env AZURE_COSMOS_EMULATOR_PARTITION_COUNT=10 \
         --env AZURE_COSMOS_EMULATOR_ENABLE_DATA_PERSISTENCE=true \