build(deps-dev): bump tar in /examples/integration/contentful (#1378)

Bumps [tar](https://github.com/npm/node-tar) from 4.4.15 to 4.4.18.
- [Release notes](https://github.com/npm/node-tar/releases)
- [Changelog](https://github.com/npm/node-tar/blob/main/CHANGELOG.md)
- [Commits](isaacs/node-tar@v4.4.15...v4.4.18)

---
updated-dependencies:
- dependency-name: tar
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

examples/integration/contentful/package.json

@@ -36,7 +36,7 @@
     "node-fetch": "^2.6.1",
     "now": "^5.3.0",
     "rimraf": "^2.6.1",
-    "tar": "^4.4.15"
+    "tar": "^4.4.18"
   },
   "config": {
     "commitizen": {