Bump @netlify/functions to ^4.2.6 (#46987)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -98,7 +98,7 @@
     "nx_test_unit": "cross-env NODE_ENV=test mocha \"packages/**/*.test.?(c|m)[jt]s?(x)\" \"packages-internal/**/*.test.?(c|m)[jt]s?(x)\" \"docs/**/*.test.?(c|m)[jt]s?(x)\""
   },
   "dependencies": {
-    "@netlify/functions": "^4.2.5",
+    "@netlify/functions": "^4.2.6",
     "@slack/bolt": "^4.4.0",
     "babel-plugin-transform-import-meta": "^2.3.3",
     "execa": "^9.6.0",