update copyright date

[vtavana]

Updating copyright date to 2016-2024.

Used the following linux commands:
#!/bin/bash
file_extensions=("hpp" "cpp" "py" "txt" "cmake" "pxi" "pxd" "pyx")
for ext in "${file_extensions[@]}"; do
find . -type f -name "*.$ext" -print0 | xargs -0 sed -i 's/Copyright (c) 2016-2023/Copyright (c) 2016-2024/g'
find . -type f -name "*.$ext" -print0 | xargs -0 sed -i 's/Copyright (c) 2023/Copyright (c) 2023-2024/g'
find . -type f -name "*.$ext" -print0 | xargs -0 sed -i 's/Copyright (c) 2021-2022/Copyright (c) 2021-2024/g'
find . -type f -name "*.$ext" -print0 | xargs -0 sed -i 's/Copyright (c) 2022-2023/Copyright (c) 2022-2024/g'
done

• Have you provided a meaningful PR description?
• Have you added a test, reproducer or referred to issue with a reproducer?
• Have you tested your changes locally for CPU and GPU devices?
• Have you made sure that new changes do not introduce compiler warnings?
• Have you checked performance impact of proposed changes?
• If this PR is a work in progress, are you filing the PR as a draft?

[github-actions]

View rendered docs @ https://intelpython.github.io/dpnp/pull//index.html

[antonwolfy]

Thanks a lot you for doing that @vtavana !