Bump third_party/mbedtls/repo from `e15b8d2` to `2545b40` · praveenCY/connectedhomeip@73e03e8

`pre` execution is not supported for local action from './.github/actions/checkout-submodules-and-bootstrap'

Failed to download action 'https://api.github.com/repos/actions/checkout/tarball/c85c95e3d7251135ab7dc9ce3241c5835cc595a9'. Error: The request was canceled due to the configured HttpClient.Timeout of 100 seconds elapsing.

Back off 16.189 seconds before retry.