Update dependency renovate to ^19.239.3

This MR contains the following updates:

Package	Type	Update	Change
renovate (source)	dependencies	patch	^19.239.1 -> ^19.239.3

MR created with the help of gitlab-org/frontend/renovate-gitlab-bot

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Release Notes

renovatebot/renovate

v19.239.3

Compare Source

19.239.3 (2020-05-15)

Bug Fixes

• dotnet: check all nuget feeds for package (#​6242) (a6de753)

v19.239.2

Compare Source

19.239.2 (2020-05-15)

Bug Fixes

• set correct mode for gradlew (#​6243) (9b474e5)

Code Refactoring

• reduce written npm files (#​6240) (642061b)

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This MR has been generated by Renovate Bot.