fix(typescript): ensure OsxNotarizeOptions definition contains credentials

[malept]

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Summarize your changes:

Fixes #1162.

[codecov]

Codecov Report

Merging #1167 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master     #1167   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
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  Files           14        14           
  Lines          698       698           
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  Hits           698       698           

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[malept]

@ffflorian can you test this fix?

[ffflorian]

Looks good, thank you!