[Backport 8.14] Bump transport to 8.6.0 (#2278)

(cherry picked from commit f97ba5b)

Co-authored-by: Josh Mock <[email protected]>

Author: github-actions[bot]

package.json

@@ -83,7 +83,7 @@
     "zx": "^7.2.2"
   },
   "dependencies": {
-    "@elastic/transport": "^8.5.0",
+    "@elastic/transport": "^8.6.0",
     "tslib": "^2.4.0"
   },
   "tap": {