Incorrect Polish numeral representation for the number 90

[kamilcieslik]

n2words/lib/i18n/pl.js

Line 37 in 0e7bc54

9: 'dziewięćdzisiąt'

Description of the issue:
The current version of the library incorrectly represents the number 90 as "dziewięćdzisiąt" instead of the correct "dziewięćdziesiąt" in Polish. It would be great if this could be fixed in an upcoming version.

Expected Behavior:
The number 90 should be correctly represented as "dziewięćdziesiąt" in Polish.

Current Behavior:
The number 90 is incorrectly represented as "dziewięćdzisiąt". I use the following workaround in my code:

[TylerVigario]

@kamilcieslik Thank you for this report! I believe @forzagreen will have some insight shortly.