/usr/share/lintian/overrides/libwxgtk3.0-0v5 is in libwxgtk3.0-0v5 3.0.2+dfsg-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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libwxgtk3.0-0v5: package-name-doesnt-match-sonames