Warning compatibility PHP 8.0

Executing a php8 compatibility scan by vendor/bin/phpcs -p . --standard=PHPCompatibilityWP --runtime-set testVersion 8.0 --extensions=php --report-full=compati.txt I found:

FILE: /mnt/c/Users/Gustavo Silva/projects/wp-atomic-bulletin/wp-content/plugins/wp-pagenavi/core.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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 15 | WARNING | Since PHP 7.0, functions inspecting arguments, like func_get_args(), no longer report the original
    |         | value as passed to a parameter, but will instead provide the current value. The parameter "$args" was
    |         | used, and possibly changed (by reference), on line 14.
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FILE: /mnt/c/Users/Gustavo Silva/projects/wp-atomic-bulletin/wp-content/plugins/wp-pagenavi/scb/AdminPage.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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 318 | WARNING | Since PHP 7.0, functions inspecting arguments, like func_get_args(), no longer report the original
     |         | value as passed to a parameter, but will instead provide the current value. The parameter
     |         | "$submit_button" was used, and possibly changed (by reference), on line 309.
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