[8.16] Upgrade elliptic 6.5.7 → 6.6.1 (#211225) (#211290)

# Backport

This will backport the following commits from `main` to `8.16`:
- [Upgrade elliptic 6.5.7 → 6.6.1
(#211225)](#211225)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Jeramy
Soucy","email":"jeramy.soucy@elastic.co"},"sourceCommit":{"committedDate":"2025-02-14T17:29:24Z","message":"Upgrade
elliptic 6.5.7 → 6.6.1 (#211225)\n\n## Summary\n\nUpgrades `elliptic`
from v6.5.7 to
v6.6.1","sha":"20aac5c9158fbfcfa4bd3284b169eaa192da53db","branchLabelMapping":{"^v9.1.0$":"main","^v8.19.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["Team:Security","release_note:skip","backport:all-open","v9.1.0"],"title":"Upgrade
elliptic 6.5.7 →
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elliptic 6.5.7 → 6.6.1 (#211225)\n\n## Summary\n\nUpgrades `elliptic`
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elliptic 6.5.7 → 6.6.1 (#211225)\n\n## Summary\n\nUpgrades `elliptic`
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BACKPORT-->

Co-authored-by: Jeramy Soucy <jeramy.soucy@elastic.co>

yarn.lock

@@ -16742,9 +16742,9 @@ element-resize-detector@^1.2.2:
     batch-processor "1.0.0"
 
 elliptic@^6.0.0, elliptic@^6.5.4:
-  version "6.5.7"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.7.tgz#8ec4da2cb2939926a1b9a73619d768207e647c8b"
-  integrity sha512-ESVCtTwiA+XhY3wyh24QqRGBoP3rEdDUl3EDUUo9tft074fi19IrdpH7hLCMMP3CIj7jb3W96rn8lt/BqIlt5Q==
+  version "6.6.1"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.6.1.tgz#3b8ffb02670bf69e382c7f65bf524c97c5405c06"
+  integrity sha512-RaddvvMatK2LJHqFJ+YA4WysVN5Ita9E35botqIYspQ4TkRAlCicdzKOjlyv/1Za5RyTNn7di//eEV0uTAfe3g==
   dependencies:
     bn.js "^4.11.9"
     brorand "^1.1.0"