build(deps): bump whatwg-fetch from 3.6.2 to 3.6.17 in /demos/moderator (#739)

Bumps [whatwg-fetch](https://github.com/github/fetch) from 3.6.2 to 3.6.17.
- [Release notes](https://github.com/github/fetch/releases)
- [Commits](JakeChampion/fetch@v3.6.2...v3.6.17)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

demos/moderator/package.json

@@ -22,7 +22,7 @@
     "parcel": "^2.9.3",
     "preact": "10.16.0",
     "snyk": "^1.1200.0",
-    "whatwg-fetch": "3.6.2",
+    "whatwg-fetch": "3.6.17",
     "yarn": "^1.22.19"
   },
   "devDependencies": {

demos/moderator/yarn.lock

@@ -12776,10 +12776,10 @@ whatwg-encoding@^1.0.1, whatwg-encoding@^1.0.5:
   dependencies:
     iconv-lite "0.4.24"
 
-[email protected].2:
-  version "3.6.2"
-  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.6.2.tgz#dced24f37f2624ed0281725d51d0e2e3fe677f8c"
-  integrity sha512-bJlen0FcuU/0EMLrdbJ7zOnW6ITZLrZMIarMUVmdKtsGvZna8vxKYaexICWPfZ8qwf9fzNq+UEIZrnSaApt6RA==
+[email protected].17:
+  version "3.6.17"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.6.17.tgz#009bbbfc122b227b74ba1ff31536b3a1a0e0e212"
+  integrity sha512-c4ghIvG6th0eudYwKZY5keb81wtFz9/WeAHAoy8+r18kcWlitUIrmGFQ2rWEl4UCKUilD3zCLHOIPheHx5ypRQ==
 
 whatwg-mimetype@^2.2.0, whatwg-mimetype@^2.3.0:
   version "2.3.0"