Release 8 new icons and 26 updated icons (v4.1.0)

- Couchbase (#3768)
- MYOB (#3398)
- Nubank (#3617)
- PhpStorm (#3372)
- TeamCity (#4207)
- TransferWise (#3637)
- Vonage (#3735)
- Wireshark (#4275)

- ABB RobotStudio (#3961)
- Azure DevOps (#3886)
- Brand.ai (#4002)
- Cash App (#3889)
- Clockify (#3890)
- Code Climate (#3892)
- Codecademy (#3891)
- CodeFactor (#3893)
- Dashlane (#3895)
- Disroot (#4024)
- Drupal (#4027)
- DTube (#3896)
- Feedly (#4047)
- Hypothesis (#3908)
- KeyCDN (#3911)
- Monzo (#3922)
- OpenID (#3924)
- OpenVPN (#3926)
- RunKit (#3933)
- Seagate (#3936)
- Sourcegraph (#3940)
- Stackbit (#4197)
- TUI (#4244)
- TuneIn (#3942)
- Vulkan (#4233)
- write.as (#3946)