Bump elasticsearch from 15.5.0 to 16.7.2

Bumps [elasticsearch](https://github.com/elastic/elasticsearch-js-legacy) from 15.5.0 to 16.7.2.
- [Release notes](https://github.com/elastic/elasticsearch-js-legacy/releases)
- [Changelog](https://github.com/elastic/elasticsearch-js-legacy/blob/16.x/docs/changelog.asciidoc)
- [Commits](https://github.com/elastic/elasticsearch-js-legacy/commits)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -13,7 +13,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "dotenv": "^8.2.0",
-    "elasticsearch": "15.5.0",
+    "elasticsearch": "16.7.2",
     "node-jose": "^2.0.0",
     "pg": "^8.3.3",
     "uuid": "2.0.3"