api: spam check settings, lookups and cache

SD1 (14 §9): the spam/lookups tables and calls columns, the
IPQualityScore and FTC lookups with the cache, the spam settings with
write-only keys, the provider Test routes and Settings → Spam check.

apps/api/src/db/migrations/meta/_journal.json

@@ -99,6 +99,13 @@
       "when": 1793052019332,
       "tag": "0013_mobile_devices",
       "breakpoints": true
+    },
+    {
+      "idx": 14,
+      "version": "7",
+      "when": 1793127210386,
+      "tag": "0014_spam_check",
+      "breakpoints": true
     }
   ]
 }