Add a missing '#include <array>' in logger.hpp

[valgur]

For std::array units{...}.

Cropped up in conan-io/conan-center-index#17671.

Checklist

• I am familiar with the Contributing Guidelines.
• New or existing tests cover these changes.
• The documentation is up to date with these changes.

[rapids-bot]

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[vyasr]

/ok to test

[vyasr]

Thanks for the fix @valgur!

[harrism]

/merge