Bump image-size from 1.1.1 to 1.2.1 in /website

Bumps [image-size](https://github.com/image-size/image-size) from 1.1.1 to 1.2.1.
- [Release notes](https://github.com/image-size/image-size/releases)
- [Commits](image-size/image-size@v1.1.1...v1.2.1)

---
updated-dependencies:
- dependency-name: image-size
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

website/yarn.lock

@@ -7615,13 +7615,13 @@ __metadata:
   linkType: hard
 
 "image-size@npm:^1.0.1, image-size@npm:^1.0.2":
-  version: 1.1.1
-  resolution: "image-size@npm:1.1.1"
+  version: 1.2.1
+  resolution: "image-size@npm:1.2.1"
   dependencies:
     queue: "npm:6.0.2"
   bin:
     image-size: bin/image-size.js
-  checksum: 10/f28966dd3f6d4feccc4028400bb7e8047c28b073ab0aa90c7c53039288139dd416c6bc254a976d4bf61113d4bc84871786804113099701cbfe9ccf377effdb54
+  checksum: 10/b290c6cc5635565b1da51991472eb6522808430dbe3415823649723dc5f5fd8263f0f98f9bdec46184274ea24fe4f3f7a297c84b647b412e14d2208703dd8a19
   languageName: node
   linkType: hard