Upgrade TS to v5.9

Author: RichDom2185

package.json

@@ -82,7 +82,7 @@
     "jsdom": "^19.0.0",
     "prettier": "^3.6.2",
     "ts-jest": "^29.0.0",
-    "typescript": "^5.8.3",
+    "typescript": "^5.9.2",
     "typescript-eslint": "^8.8.1"
   },
   "devEngines": {

yarn.lock

@@ -5304,7 +5304,7 @@ __metadata:
     prettier: "npm:^3.6.2"
     source-map: "npm:0.7.6"
     ts-jest: "npm:^29.0.0"
-    typescript: "npm:^5.8.3"
+    typescript: "npm:^5.9.2"
     typescript-eslint: "npm:^8.8.1"
   bin:
     js-slang: dist/repl/index.js
@@ -7400,23 +7400,23 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@npm:^5.8.3":
-  version: 5.8.3
-  resolution: "typescript@npm:5.8.3"
+"typescript@npm:^5.9.2":
+  version: 5.9.2
+  resolution: "typescript@npm:5.9.2"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 10c0/5f8bb01196e542e64d44db3d16ee0e4063ce4f3e3966df6005f2588e86d91c03e1fb131c2581baf0fb65ee79669eea6e161cd448178986587e9f6844446dbb48
+  checksum: 10c0/cd635d50f02d6cf98ed42de2f76289701c1ec587a363369255f01ed15aaf22be0813226bff3c53e99d971f9b540e0b3cc7583dbe05faded49b1b0bed2f638a18
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@npm%3A^5.8.3#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=5786d5"
+"typescript@patch:typescript@npm%3A^5.9.2#optional!builtin<compat/typescript>":
+  version: 5.9.2
+  resolution: "typescript@patch:typescript@npm%3A5.9.2#optional!builtin<compat/typescript>::version=5.9.2&hash=5786d5"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 10c0/39117e346ff8ebd87ae1510b3a77d5d92dae5a89bde588c747d25da5c146603a99c8ee588c7ef80faaf123d89ed46f6dbd918d534d641083177d5fac38b8a1cb
+  checksum: 10c0/34d2a8e23eb8e0d1875072064d5e1d9c102e0bdce56a10a25c0b917b8aa9001a9cf5c225df12497e99da107dc379360bc138163c66b55b95f5b105b50578067e
   languageName: node
   linkType: hard