Fix Hsu keyboard fuzz conversion (ㄍㄧ to ㄐㄧ and ㄍㄩ to ㄐㄩ)

[kanru]

Fixes #546

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 88.26%. Comparing base (a4499fd) to head (b99f309).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## release/0.8.x #547 +/- ## ================================================= + Coverage 88.23% 88.26% +0.03% ================================================= Files 58 58 Lines 13587 13587 ================================================= + Hits 11988 11993 +5 + Misses 1599 1594 -5 ```

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