Bump htmx.org from 2.0.5 to 2.0.6 in /src/Elastic.Documentation.Site (#1481)

Bumps [htmx.org](https://github.com/bigskysoftware/htmx) from 2.0.5 to 2.0.6.
- [Release notes](https://github.com/bigskysoftware/htmx/releases)
- [Changelog](https://github.com/bigskysoftware/htmx/blob/master/CHANGELOG.md)
- [Commits](bigskysoftware/htmx@v2.0.5...v2.0.6)

---
updated-dependencies:
- dependency-name: htmx.org
  dependency-version: 2.0.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/Elastic.Documentation.Site/package-lock.json

@@ -57,7 +57,7 @@
     "highlight.js": "11.11.1",
     "htmx-ext-head-support": "2.0.4",
     "htmx-ext-preload": "2.1.1",
-    "htmx.org": "2.0.5",
+    "htmx.org": "2.0.6",
     "select-dom": "9.3.1",
     "tailwindcss": "4.1.11",
     "tippy.js": "6.3.7",