Update ToolbarButton widget library

[caponetto]

What changes were proposed in this pull request?

Closes #2375

It's a quick win to be included in the release, although no visual changes are expected.

How was this pull request tested?

Through CI runs and manual tests.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3282   +/-   ##
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  Coverage        ?   83.67%           
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  Files           ?      160           
  Lines           ?    19987           
  Branches        ?      515           
=======================================
  Hits            ?    16725           
  Misses          ?     3077           
  Partials        ?      185           

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[caponetto]

Regarding the CodeCov comment: I have requested the app to be installed for this repository. I guess an admin needs to accept it. cc @lresende