Bump @elastic/elasticsearch from 7.11.0 to 8.15.1

Bumps [@elastic/elasticsearch](https://github.com/elastic/elasticsearch-js) from 7.11.0 to 8.15.1.
- [Release notes](https://github.com/elastic/elasticsearch-js/releases)
- [Changelog](https://github.com/elastic/elasticsearch-js/blob/main/docs/changelog.asciidoc)
- [Commits](elastic/elasticsearch-js@v7.11.0...v8.15.1)

---
updated-dependencies:
- dependency-name: "@elastic/elasticsearch"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -9,7 +9,7 @@
     ".next/cache"
   ],
   "dependencies": {
-    "@elastic/elasticsearch": "7.11.0",
+    "@elastic/elasticsearch": "8.15.1",
     "@github/failbot": "0.8.0",
     "@primer/css": "^20.2.4",
     "@primer/octicons": "17.3.0",