chore(deps): update yarn to v4.9.1

Author: descope[bot]

.yarn/install-state.gz

@@ -50,7 +50,7 @@
     "ts-node": "^10.9.2",
     "typescript": "<5.8.4"
   },
-  "packageManager": "yarn@4.1.1",
+  "packageManager": "yarn@4.9.1",
   "engines": {
     "node": "^20"
   }

package.json

@@ -6631,11 +6631,11 @@ __metadata:
 
 "typescript@patch:typescript@npm%3A<5.8.4#optional!builtin<compat/typescript>":
   version: 5.8.3
-  resolution: "typescript@patch:typescript@npm%3A5.8.3#optional!builtin<compat/typescript>::version=5.8.3&hash=5adc0c"
+  resolution: "typescript@patch:typescript@npm%3A5.8.3#optional!builtin<compat/typescript>::version=5.8.3&hash=5786d5"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 10c0/92ea03509e06598948559ddcdd8a4ae5a7ab475766d5589f1b796f5731b3d631a4c7ddfb86a3bd44d58d10102b132cd4b4994dda9b63e6273c66d77d6a271dbd
+  checksum: 10c0/39117e346ff8ebd87ae1510b3a77d5d92dae5a89bde588c747d25da5c146603a99c8ee588c7ef80faaf123d89ed46f6dbd918d534d641083177d5fac38b8a1cb
   languageName: node
   linkType: hard