chore(deps): bump sha.js from 2.4.11 to 2.4.12 in /microsite

Bumps [sha.js](https://github.com/crypto-browserify/sha.js) from 2.4.11 to 2.4.12.
- [Changelog](https://github.com/browserify/sha.js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/crypto-browserify/sha.js/compare/v2.4.11...v2.4.12)

---
updated-dependencies:
- dependency-name: sha.js
  dependency-version: 2.4.12
  dependency-type: indirect
...

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

microsite/yarn.lock

@@ -13283,14 +13283,15 @@ __metadata:
   linkType: hard
 
 "sha.js@npm:^2.4.0, sha.js@npm:^2.4.11, sha.js@npm:^2.4.8":
-  version: 2.4.11
-  resolution: "sha.js@npm:2.4.11"
+  version: 2.4.12
+  resolution: "sha.js@npm:2.4.12"
   dependencies:
-    inherits: "npm:^2.0.1"
-    safe-buffer: "npm:^5.0.1"
+    inherits: "npm:^2.0.4"
+    safe-buffer: "npm:^5.2.1"
+    to-buffer: "npm:^1.2.0"
   bin:
-    sha.js: ./bin.js
-  checksum: 10/d833bfa3e0a67579a6ce6e1bc95571f05246e0a441dd8c76e3057972f2a3e098465687a4369b07e83a0375a88703577f71b5b2e966809e67ebc340dbedb478c7
+    sha.js: bin.js
+  checksum: 10/39c0993592c2ab34eb2daae2199a2a1d502713765aecb611fd97c0c4ab7cd53e902d628e1962aaf384bafd28f55951fef46dcc78799069ce41d74b03aa13b5a7
   languageName: node
   linkType: hard