fix: Add missing snuba transactions clean up service (#924)

Follow up to #920 and #923.

Author: BYK

docker-compose.yml

@@ -173,6 +173,14 @@ services:
       args:
         BASE_IMAGE: "$SNUBA_IMAGE"
     command: '"*/5 * * * * gosu snuba snuba cleanup --storage errors --dry-run False"'
+  snuba-transactions-cleanup:
+    <<: *snuba_defaults
+    image: snuba-cleanup-onpremise-local
+    build:
+      context: ./cron
+      args:
+        BASE_IMAGE: "$SNUBA_IMAGE"
+    command: '"*/5 * * * * gosu snuba snuba cleanup --storage transactions --dry-run False"'
   symbolicator:
     <<: *restart_policy
     image: "$SYMBOLICATOR_IMAGE"