build(deps): bump gatsby-transformer-sharp in /packages/website

Bumps [gatsby-transformer-sharp](https://github.com/gatsbyjs/gatsby/tree/HEAD/packages/gatsby-transformer-sharp) from 4.7.0 to 4.8.0.
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-transformer-sharp/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/commits/gatsby-transformer-sharp@4.8.0/packages/gatsby-transformer-sharp)

---
updated-dependencies:
- dependency-name: gatsby-transformer-sharp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

packages/website/package.json

@@ -34,7 +34,7 @@
     "gatsby-remark-smartypants": "5.7.0",
     "gatsby-source-filesystem": "4.7.0",
     "gatsby-transformer-remark": "5.8.1",
-    "gatsby-transformer-sharp": "4.7.0",
+    "gatsby-transformer-sharp": "4.8.0",
     "gatsby-transformer-yaml": "4.8.0",
     "gbimage-bridge": "0.2.1",
     "http-status-codes": "2.2.0",

packages/website/yarn.lock

@@ -6237,10 +6237,10 @@ gatsby-transformer-remark@5.8.1:
     unist-util-select "^3.0.4"
     unist-util-visit "^2.0.3"
 
-gatsby-transformer-sharp@4.7.0:
-  version "4.7.0"
-  resolved "https://registry.yarnpkg.com/gatsby-transformer-sharp/-/gatsby-transformer-sharp-4.7.0.tgz#544f3fc3d1f4cc68dbb02fad59a81e713b09f677"
-  integrity sha512-5t2MIm7AY0M2hrPHhxolGQZLliasZYiG0i1vke2KcW7vSZAmgmDKZBEbAiApqk8IiKFlTtcq4mv772dBx3YQwQ==
+gatsby-transformer-sharp@4.8.0:
+  version "4.8.0"
+  resolved "https://registry.yarnpkg.com/gatsby-transformer-sharp/-/gatsby-transformer-sharp-4.8.0.tgz#081e8a8f654706feacb12dc4891de9830cda6389"
+  integrity sha512-741C9WQtCt6ch9lfxsxofeHGyVjulfh+a4h7jHs+CIDhCBWVA6yu+dH+yMFG3Xyy9knOSkEwz0JUcf2F1QMM0A==
   dependencies:
     "@babel/runtime" "^7.15.4"
     bluebird "^3.7.2"
@@ -6249,7 +6249,7 @@ gatsby-transformer-sharp@4.7.0:
     potrace "^2.1.8"
     probe-image-size "^6.0.0"
     semver "^7.3.5"
-    sharp "^0.29.3"
+    sharp "^0.30.1"
 
 gatsby-transformer-yaml@4.8.0:
   version "4.8.0"