[AUTOMATED_BUMP] Bump to v1.5.6 - #176

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-python@v2, lukka/run-vcpkg@v11.1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Not disabling vptr sanitizer on M1 Macbook - set DISABLE_VPTR_SANITIZER

The file vcpkg.json was found multiple times with glob expression '**/vcpkg.json'.