chore: add packageManager field to package.json (#156)

This pull request includes a small change to the `package.json` file.
The change specifies the package manager to be used for the project.

*
[`package.json`](diffhunk://#diff-7ae45ad102eab3b6d7e7896acd08c427a9b25b346470d7bc6507b6481575d519R3):
Added `"packageManager": "npm@10.9.2"` to specify the project should use
npm version 10.9.2.

package.json

@@ -1,5 +1,6 @@
 {
   "private": true,
+  "packageManager": "npm@10.9.2",
   "workspaces": [
     "examples/*",
     "packages/*",