Bump workerpool from 6.4.0 to 9.1.0

Bumps [workerpool](https://github.com/josdejong/workerpool) from 6.4.0 to 9.1.0.
- [Changelog](https://github.com/josdejong/workerpool/blob/master/HISTORY.md)
- [Commits](josdejong/workerpool@v6.4.0...v9.1.0)

---
updated-dependencies:
- dependency-name: workerpool
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -119,7 +119,7 @@
     "tree-sync": "^2.1.0",
     "walk-sync": "^3.0.0",
     "watch-detector": "^1.0.2",
-    "workerpool": "^6.4.0",
+    "workerpool": "^9.1.0",
     "yam": "^1.0.0"
   },
   "devDependencies": {

yarn.lock

@@ -8892,10 +8892,10 @@ workerpool@6.2.1:
   resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-6.2.1.tgz#46fc150c17d826b86a008e5a4508656777e9c343"
   integrity sha512-ILEIE97kDZvF9Wb9f6h5aXK4swSlKGUcOEGiIYb2OOu/IrDU9iwj0fD//SsA6E5ibwJxpEvhullJY4Sl4GcpAw==
 
-workerpool@^6.4.0:
-  version "6.4.0"
-  resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-6.4.0.tgz#f8d5cfb45fde32fa3b7af72ad617c3369567a462"
-  integrity sha512-i3KR1mQMNwY2wx20ozq2EjISGtQWDIfV56We+yGJ5yDs8jTwQiLLaqHlkBHITlCuJnYlVRmXegxFxZg7gqI++A==
+workerpool@^9.1.0:
+  version "9.1.0"
+  resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-9.1.0.tgz#cb1856aaa66ee97a3dfec97e4e362365c253512b"
+  integrity sha512-+wRWfm9yyJghvXLSHMQj3WXDxHbibHAQmRrWbqKBfy0RjftZNeQaW+Std5bSYc83ydkrxoPTPOWVlXUR9RWJdQ==
 
 wrap-ansi@^6.2.0:
   version "6.2.0"