Bump testcontainers from 7.14.0 to 7.18.1 in /hedera-mirror-rest

Bumps [testcontainers](https://github.com/testcontainers/testcontainers-node) from 7.14.0 to 7.18.1.
- [Release notes](https://github.com/testcontainers/testcontainers-node/releases)
- [Commits](testcontainers/testcontainers-node@v7.14.0...v7.18.1)

---
updated-dependencies:
- dependency-name: testcontainers
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

hedera-mirror-rest/package.json

@@ -90,7 +90,7 @@
     "rewire": "^5.0.0",
     "sinon": "^11.1.2",
     "supertest": "^6.1.4",
-    "testcontainers": "^7.14.0"
+    "testcontainers": "^7.18.1"
   },
   "jest": {
     "collectCoverage": true,