fix(deps): pnpm config

Author: mfrachet

lerna.json

@@ -1,5 +1,5 @@
 {
-  "packages": ["packages/*", "examples/*"],
   "version": "1.4.0",
-  "useWorkspaces": true
+  "useWorkspaces": true,
+  "npmClient": "pnpm"
 }