I must have mis-stated.
These locations are where mysql.pm does exist.
/usr/local/lib/perl5/site_perl/5.38.2/x86_64-linux/DBD/mysql.pm
/usr/local/lib/perl5/site_perl/5.38.2/DBD/mysql.pm
/usr/local/lib/perl5/5.38.2/x86_64-linux/DBD/mysql.pm
/usr/local/lib/perl5/5.38.2/DBD/mysql.pm