wireless-regdb: Expand 60 GHz band for Japan to 57-66 GHz

The official documents are not feely available, but based on
summaries such as [1] and numerous third-party resources the 60
GHz band in Japan has been 57-66 GHz for some time now. Update
our rules accordingly.

[1] https://webstore.arib.or.jp/en/products/detail.php?product_id=288

Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
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