GSOC 26: normal (bump) map support - #9067

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5, actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

src/webgl/p5.RendererGL.js:325:18: Catch parameter 'e' is caught but never used.

src/webgl/p5.RendererGL.js:283:18: Catch parameter 'e' is caught but never used.

src/webgl/p5.RendererGL.js:20:10: Identifier 'TypeInfoFromGLSLName' is imported but never used.

src/webgl/p5.RendererGL.js:16:10: Identifier 'Framebuffer' is imported but never used.

src/image/p5.Image.js:51:15: Variable 'errorObj' is declared but never used.

src/strands/strands_transpiler.js:1910:10: Function 'makeGuardedCallbacks' is declared but never used.

src/strands/strands_conditionals.js:4:10: Identifier 'StrandsNode' is imported but never used.

src/webgl/utils.js:2:10: Identifier 'INSTANCE_ID_VARYING_NAME' is imported but never used.

src/webgl/3d_primitives.js:1956:11: Variable 'prevOrder' is declared but never used.