Update oidc-signin-tool to 4.3.7

[MichaelSwigerAtBentley]

Update oidc signin tool to latest to fix hanging tests

[hl662]

/azp run iTwin.js Integration - GitHub

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s).

[aruniverse]

/azp run iTwin.js

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s).

[aruniverse]

@mergifyio backport release/4.9.x

[mergify[bot]]

backport release/4.9.x

✅ Backports have been created

* [#7304 Update oidc-signin-tool to 4.3.7 (backport #7303) [release/4.9.x]](https://github.com/iTwin/itwinjs-core/pull/7304) has been created for branch `release/4.9.x` but encountered conflicts

[aruniverse]

@tcobbs-bentley mind taking a look at the ios failures here?

[MichaelSwigerAtBentley]

@tcobbs-bentley I have disabled the iOS backend unit tests in Simulator job. When fixing, remember to remove the 'false' flag to reenable when fixing