ci: fix missing uses key from workflow

[erisu]

Motivation and Context

Accidentally used name instead of uses for a key in one of the steps of the workflow.

Description

This PR fixes the missing uses key.

Testing

• See CI: https://github.com/apache/cordova-plugman/actions/runs/1297926622

[codecov-commenter]

Codecov Report

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The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #144   +/-   ##
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  Coverage          ?   53.84%           
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  Files             ?        4           
  Lines             ?       78           
  Branches          ?        0           
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  Hits              ?       42           
  Misses            ?       36           
  Partials          ?        0           

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