feat: vendor QSGBatchRenderer as WSGBatchRenderer - #1275

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/setup-go@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Include file: <wlr_all.h> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <drm_fourcc.h> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <pixman.h> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <QPainter> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: "woutput.h" not found.

Include file: "wbufferdumper.h" not found.

Include file: "woutputrenderwindow.h" not found.

Include file: "wsgbatchrenderer_p.h" not found.

Include file: <private/qopenglcontext_p.h> not found. Please note: Cppcheck does not need standard library headers to get proper results.