chore: update ts config structure (#6008)

Author: MarcusNotheis

.eslintrc.yml

@@ -41,17 +41,16 @@ rules:
         order: asc
         caseInsensitive: true
   import/no-duplicates: 'error'
-  import/no-unresolved: 'error'
+  import/no-unresolved: 'off'
 overrides:
   # add config for all TypeScript files
   - files:
       - '*.ts'
       - '*.tsx'
     parserOptions:
-      project:
-        - './tsconfig.spec.json'
-        - './tsconfig.node.json'
-        - './packages/*/tsconfig.json'
+      EXPERIMENTAL_useProjectService:
+        # TODO https://github.com/typescript-eslint/typescript-eslint/issues/9450
+        maximumDefaultProjectFileMatchCount_THIS_WILL_SLOW_DOWN_LINTING: 1000
     plugins:
       - '@typescript-eslint'
     extends:
@@ -124,7 +123,6 @@ overrides:
     rules:
       '@typescript-eslint/no-empty-function': 'off'
       'import/order': 'warn'
-      'import/no-unresolved': 'off'
       'react/no-unescaped-entities': 'off'
       '@typescript-eslint/unbound-method': 'warn'
       'react/display-name': 'off'