fixup! chore(deps): update postgres docker tag to v18

Author: hiroppy

.internal/tests/common.test.mjs.snapshot

@@ -415,7 +415,7 @@ exports[`common > should update compose.yml 1`] = `
   "",
   "services:",
   "  db:",
-  "    image: postgres:17",
+  "    image: postgres:18",
   "    ports:",
   "      - \${DATABASE_PORT:-5432}:5432",
   "    environment:",

.internal/tests/no-otel.test.mjs.snapshot

@@ -369,7 +369,7 @@ exports[`no-otel > should update compose.yml 1`] = `
   "",
   "services:",
   "  db:",
-  "    image: postgres:17",
+  "    image: postgres:18",
   "    ports:",
   "      - \${DATABASE_PORT:-5432}:5432",
   "    environment:",