Motivation: sporadic test failure like https://github.com/opencv/opencv/actions/runs/7297266682/job/19886377164?pr=24744

[ RUN      ] Test_ONNX_nets.ViT_B_32/1, where GetParam() = CUDA/CUDA_FP16
/home/ci/opencv/modules/dnn/test/test_common.impl.hpp:79: Failure
Expected: (normInf) <= (lInf), actual: 0.05369 vs 0.05
ViTB_32  |ref| = 2.8940291404724121
[  FAILED  ] Test_ONNX_nets.ViT_B_32/1, where GetParam() = CUDA/CUDA_FP16 (1352 ms)

Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

• I agree to contribute to the project under Apache 2 License.
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• The PR is proposed to the proper branch
• There is a reference to the original bug report and related work
• There is accuracy test, performance test and test data in opencv_extra repository, if applicable
  Patch to opencv_extra has the same branch name.
• The feature is well documented and sample code can be built with the project CMake