add dVaryingGroup to avoid flat qualifier more

CHANGELOG.md

src/mol-geo/geometry/mesh/mesh.ts

src/mol-geo/geometry/texture-mesh/texture-mesh.ts

src/mol-gl/renderable/mesh.ts

src/mol-gl/renderable/texture-mesh.ts

src/mol-gl/shader/chunks/color-frag-params.glsl.ts

src/mol-gl/shader/chunks/color-vert-params.glsl.ts

src/mol-gl/shader/chunks/common-frag-params.glsl.ts

src/mol-gl/shader/chunks/common-vert-params.glsl.ts

src/mol-model-formats/shape/ply.ts

src/mol-repr/structure/visual/gaussian-surface-mesh.ts

src/mol-repr/structure/visual/molecular-surface-mesh.ts

src/mol-repr/volume/isosurface.ts