Disable Certificate Transparency verification

[yuya-oc]

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Summary
Disable Certificate Transparency verification.

It seems that there is problem in Electron's Certificate Transparency verification.
electron/electron#11997

Some error cases reported at #742 would be solved by disabling the verification. This is issued against to release-4.0. And we need to know whether Electron v1.8.3 actually fixes the issue.
#742 (comment)

Issue link
#742

Test Cases

• Case A: Certificate Transparency error

  1. Add the URL as a server which have the error appears.
  2. The error should not appear.

• Case B: Actually invalid

  1. Add the URL as a server which is actually insecure. e.g. https://expired.sca1a.amazontrust.com/
  2. HTTPS error should appear.

Additional Notes
https://circleci.com/gh/yuya-oc/desktop/709#artifacts

[jasonblais]

Thanks @yuya-oc! After this, we should be okay to just update the changelog, and cut the final for 4.0.1.

/cc @amyblais