Go 1.17 now lazy-loads dependencies when `go.mod` is version `go17`. This does not work for us for new projects started with `hugo mod init`.
Before this commit, starting a project with Go 1.17 with `hugo mod init` and then start adding dependencies with transitive dependenies to `config.toml` would treat the transitive dependencies as new, and you would potentially get a too recent version of those.
Note that this does not effect existing projects, where all dependencies are already recorded in `go.mod`.
Fixes#8930
* chore: configure proper link to discourse.gohugo.io
This adds a configuration file to the issue templates for this repo. In this config file, an issue template is added that will look like the existing issue templates, but on click will lead directly to the discourse forum instead of hoping that people read what it says there. The support.md can be deleted.
* chore: remove obsolete support.md configuration
* chore: remove obsolete autoclosing workflow
