Bump whatwg-fetch from 3.6.19 to 3.6.20

Bumps [whatwg-fetch](https://github.com/github/fetch) from 3.6.19 to 3.6.20.
- [Release notes](https://github.com/github/fetch/releases)
- [Changelog](https://github.com/JakeChampion/fetch/blob/main/CHANGELOG.md)
- [Commits](JakeChampion/fetch@v3.6.19...v3.6.20)

---
updated-dependencies:
- dependency-name: whatwg-fetch
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -56,7 +56,7 @@
     "react-dom": "18.2.0",
     "rimraf": "5.0.5",
     "typescript": "5.3.3",
-    "whatwg-fetch": "3.6.19"
+    "whatwg-fetch": "3.6.20"
   },
   "publishConfig": {
     "access": "public"

yarn.lock

@@ -5918,10 +5918,10 @@ whatwg-encoding@^2.0.0:
   dependencies:
     iconv-lite "0.6.3"
 
-[email protected].19:
-  version "3.6.19"
-  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.6.19.tgz#caefd92ae630b91c07345537e67f8354db470973"
-  integrity sha512-d67JP4dHSbm2TrpFj8AbO8DnL1JXL5J9u0Kq2xW6d0TFDbCA3Muhdt8orXC22utleTVj7Prqt82baN6RBvnEgw==
+[email protected].20:
+  version "3.6.20"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.6.20.tgz#580ce6d791facec91d37c72890995a0b48d31c70"
+  integrity sha512-EqhiFU6daOA8kpjOWTL0olhVOF3i7OrFzSYiGsEMB8GcXS+RrzauAERX65xMeNWVqxA6HXH2m69Z9LaKKdisfg==
 
 whatwg-mimetype@^3.0.0:
   version "3.0.0"