Chore: Move Typescript cache file to root (#45964)

* chore(typescript): move TS cache file to root of repo

* chore(typescript): cache packages ts checks to disk for faster yarn typecheck

packages/grafana-e2e-selectors/tsconfig.json

@@ -2,7 +2,9 @@
   "compilerOptions": {
     "declarationDir": "dist",
     "outDir": "compiled",
-    "rootDirs": ["."]
+    "rootDirs": ["."],
+    "incremental": true,
+    "tsBuildInfoFile": "./tsconfig.tsbuildinfo"
   },
   "exclude": ["dist", "node_modules"],
   "extends": "@grafana/tsconfig",