Update shaders lwrp 2 urp 7.1.6#3

AndyJB-Unity wants to merge 4 commits intojoeante:masterjoeante/Unity.GPUAnimation:masterfrom

AndyJB-Unity:update-shaders-lwrp-2-urp-7.1.6AndyJB-Unity/Unity.GPUAnimation:update-shaders-lwrp-2-urp-7.1.6Copy head branch name to clipboard