Unity 2020.3.34 LTS shader warnings

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Shader warning in 'Shapes/Rect Lighten': integer modulus may be much slower, try using uints if possible. at Core.cginc(131) (on gles)
Shader warning in 'Shapes/Rect Lighten': integer modulus may be much slower, try using uints if possible. at Core.cginc(133) (on gles)
Shader warning in 'Shapes/Triangle Lighten': integer modulus may be much slower, try using uints if possible. at Core.cginc(228) (on gles)

Looks like the numerical constants just need to be marked as unsigned.

For example:

uint quadrantPrev = (quadrant+3u)%4u;

Reporting a bug? please specify Unity version:
2020.3.34
Reporting a bug? please specify Shapes version:
4.1.3
Reporting a bug? please specify Render Pipeline:
Built-in render pipeline