fix: upgrade core-js from 3.4.4 to 3.20.1

Snyk has created this PR to upgrade core-js from 3.4.4 to 3.20.1.

See this package in npm:


See this project in Snyk:
https://app.snyk.io/org/peterfagans/project/c3a8fc33-afec-410b-af7a-92db59a3ef95?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -57,7 +57,7 @@
         "bs58check": "^2.1.2",
         "buffer": "5.4.3",
         "connect-history-api-fallback": "1.6.0",
-        "core-js": "3.4.4",
+        "core-js": "3.20.1",
         "cors": "2.8.5",
         "create-hash": "1.2.0",
         "crypto-js": "^4.1.1",

yarn.lock

@@ -5978,10 +5978,10 @@ core-js-compat@^3.6.5, core-js-compat@^3.8.0:
     browserslist "^4.16.1"
     semver "7.0.0"
 
-core-js@3.4.4:
-  version "3.4.4"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.4.4.tgz#e3d422f8a51adc4cae2bfa04cef26a5ccc046d29"
-  integrity sha512-vKea1DrcLA80Hrfc7AQgfoGvEaByfR5mH08t+zuWOWY94TFBmabdEL56mUbcijvadG9RxsXR2gUUFrfj4/iTcA==
+core-js@3.20.1:
+  version "3.20.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.20.1.tgz#eb1598047b7813572f1dc24b7c6a95528c99eef3"
+  integrity sha512-btdpStYFQScnNVQ5slVcr858KP0YWYjV16eGJQw8Gg7CWtu/2qNvIM3qVRIR3n1pK2R9NNOrTevbvAYxajwEjg==
 
 core-js@^2.4.0:
   version "2.6.12"