Cache Typescript runs for faster checks (#19381)

.github/workflows/ci.yaml

@@ -42,6 +42,7 @@ jobs:
           path: |
             node_modules/.cache/prettier
             node_modules/.cache/eslint
+            node_modules/.cache/typescript
           key: lint-${{ github.sha }}
           restore-keys: lint-
       - name: Run eslint

tsconfig.json

@@ -10,6 +10,9 @@
     "resolveJsonModule": true,
     // Babel handles transpiling and no need for declaration files
     "noEmit": true,
+    // Caching
+    "incremental": true,
+    "tsBuildInfoFile": "node_modules/.cache/typescript/.tsbuildinfo",
     // Type checking options
     "noUnusedLocals": true,
     "noUnusedParameters": true,