Lock TS version to ~4.8.4

Author: Pelle Wessman

package.json

@@ -58,7 +58,7 @@
     "npm-run-all2": "^6.0.2",
     "openapi-typescript": "^5.4.1",
     "type-coverage": "^2.22.0",
-    "typescript": "^4.8.4"
+    "typescript": "~4.8.4"
   },
   "scripts": {
     "build:0": "run-s clean",