changelog github integration

[burner]

graphql query works mostly

bearer not working anymore

[dlang-bot]

Thanks for your pull request, @burner!

Bugzilla references

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If your PR contains non-trivial changes, please reference a Bugzilla issue or create a manual changelog.

Testing this PR locally

If you don't have a local development environment setup, you can use Digger to test this PR:

dub run digger -- build "master + tools#466"

[burner]

@ibuclaw I've taken another look, and I think there is nothing more to do until it fails in prod