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

@@ -69,7 +69,7 @@
     "app-root-path": "^3.0.0",
     "aws-sdk-mock": "^5.2.1",
     "axios": "^0.21.1",
-    "codecov": "^3.8.2",
+    "codecov": "^3.8.3",
     "eslint-config-airbnb-base": "^14.2.1",
     "eslint-config-prettier": "^6.15.0",
     "eslint-plugin-import": "^2.23.4",
@@ -90,7 +90,7 @@
     "rewire": "^5.0.0",
     "sinon": "^11.1.1",
     "supertest": "^6.1.3",
-    "testcontainers": "^7.14.0"
+    "testcontainers": "^7.18.1"
   },
   "jest": {
     "collectCoverage": true,