fix: raise BA_INGESTD_RATE_LIMIT_PER_SOURCE to 20000 for M11 gRPC 10k/s soak test

docker-compose.yml

@@ -105,7 +105,7 @@ services:
       BA_REDIS_URL: redis://redis:6379/0
       BA_POSTGRES_DSN: postgres://ba:ba@postgres:5432/ba?sslmode=disable
       BA_INGESTD_SOURCES: "acme-001:prom-prod:s3cret-acme-001,acme-002:prom-prod:s3cret-acme-002,globex-002:grafana:s3cret-globex"
-      BA_INGESTD_RATE_LIMIT_PER_SOURCE: "100"
+      BA_INGESTD_RATE_LIMIT_PER_SOURCE: "20000"
       BA_INGESTD_RATE_LIMIT_PER_COMPANY: "10000"
       # M4: MQTT subscriber. ingestd subscribes to ba/+/+/incoming
       # with the dedicated `ingestd` user. The auth file lists