fix(security): Bump tar to 7.5.9 and lerna to 9.0.4 to fix CVE-2026-26960. (#5824)

* fix(security): Bump tar to 7.5.9 and lerna to 9.0.4 to fix CVE-2026-26960.
Bump sharp to 0.34.5 to fix tar-fs vulnerabilities.

* Update node version to 20.19.0 in circleci config. Needed for lerna and cypress tests.

* Now installing bun for cypress tests in circleci config.

* Use node version 20.19.0 in netlify config.

platform/docs/package.json

@@ -99,6 +99,7 @@
   "resolutions": {
     "qs": "6.14.1",
     "lodash": "4.17.23",
-    "webpack": "5.105.0"
+    "webpack": "5.105.0",
+    "sharp": "0.34.5"
   }
 }