ts-loader compatibility with typescript 5.6.3 ?

Expected Behaviour

I use emotion.d.ts file to redeclare the Theme interface, and everything works fine with typescript 5.5.4, but after updated to typescript 5.6.3 the build fails with errors pointing on ts-loader.

Actual Behaviour

After the Typescript version update to 5.6.3 looks like emotion.d.ts is skipped by compiler, and there are errors that point on the default Theme interface which is just empty object.

[tsl] ERROR in C:\some-path\components\Page.tsx(63,38)
      TS2339: Property 'colors' does not exist on type 'Theme'.
ts-loader-default_321045a7e6183ef3
Error: [tsl] ERROR in C:\some-path\Page.tsx(63,38)
      TS2339: Property 'colors' does not exist on type 'Theme'.
    at makeError (C:\some-path\node_modules\ts-loader\dist\utils.js:93:19)
    at C:\some-path\node_modules\ts-loader\dist\utils.js:63:27
    at Array.map (<anonymous>)
    at formatErrors (C:\some-path\node_modules\ts-loader\dist\utils.js:46:14)
    at provideErrorsToWebpack (C:\some-path\node_modules\ts-loader\dist\after-compile.js:167:62)
    at C:\some-path\node_modules\ts-loader\dist\after-compile.js:36:9
    at C:\some-path\node_modules\ts-loader\dist\instances.js:206:13
    at fn (C:\some-path\node_modules\webpack\lib\Compilation.js:491:10)
    at Hook.eval [as callAsync] (eval at create (C:\some-path\node_modules\tapable\lib\HookCodeFactory.js:33:10), <anonymous>:20:1)
    at Hook.CALL_ASYNC_DELEGATE [as _callAsync] (C:\some-path\node_modules\tapable\lib\Hook.js:18:14)

Steps to Reproduce the Problem

1. Setup project

"dependencies": {
    "@emotion/react": "11.13.3",
    "@emotion/styled": "11.13.0",
    "ts-loader": "9.5.1",
    "typescript": "5.6.3",
    ... 

2. Re-Declare Theme interface

// emotion.d.ts
import '@emotion/react'

declare module '@emotion/react' {
  export interface Theme {
    colors: {
      black: string
      darkBlue: string
      darkGreen: string
      gray: string
      green: string
      lightGreen: string
      mediumGreen: string
      orange: string
      cyan: string
      magenta: string
      purple: string
      red: string
      yellow: string
      white: string
    }

3. yarn run start

Start with the emotion.d.ts module augmentation and the ts-loader 9.5.1 path shown in the error, then compare the build with TypeScript 5.5.4 and 5.6.3 using yarn run start. Check whether the augmentation is included after the upgrade; done means the reproduced build recognizes Theme.colors without the TS2339 error.