[godot] Build fails on Windows when following setup instructions with Godot 4.5

[naxa1ka]

Steps to Reproduce

1. Clone the repo (tested with spine-runtimes 4.2 branch).

   git clone https://github.com/EsotericSoftware/spine-runtimes.git
   cd spine-runtimes/spine-godot

2. Run setup for Godot 4.5:

   ./build/setup.sh 4.5-stable false

3. Build the editor:

   ./build/build-v4.sh

Expected

Editor for Windows builds successfully.

Actual

Build fails. See attached log.

Environment

• OS: Windows 10/11 (x64)
• Godot version: 4.5-stable
• Spine runtimes branch: 4.2

Logs

build.log