fix(deps): update dependency core-js to v3.40.0 (#1160)

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

Author: renovate[bot]

package-lock.json

@@ -42,7 +42,7 @@
     "@pact-foundation/pact": "^11.0.2",
     "@redux-devtools/extension": "3.3.0",
     "classnames": "2.5.1",
-    "core-js": "3.39.0",
+    "core-js": "3.40.0",
     "history": "5.3.0",
     "lodash.camelcase": "4.3.0",
     "lodash.get": "4.4.2",