Migrate issue template to issue forms

I think the interaction behavior of these forms is nicer than the pre-filled markdown that we currently provide in the template.

Author: ahoppen

.github/ISSUE_TEMPLATE/BUG_REPORT.md

@@ -0,0 +1,18 @@
+name: Bug Report
+description: Something isn't working as expected
+labels: [bug]
+body:
+ - type: textarea
+   id: description
+   attributes:
+     label: Description
+     description: |
+       A short description of the incorrect behavior.
+       If you think this issue has been recently introduced and did not occur in an
+       earlier version, please note that. If possible, include the last version that
+       the behavior was correct in addition to your current version.
+ - type: textarea
+   id: steps-to-reproduce
+   attributes:
+     label: Steps to Reproduce
+     description: Replace this paragraph with an explanation of how to reproduce the incorrect behavior.

.github/ISSUE_TEMPLATE/BUG_REPORT.yml

@@ -0,0 +1,13 @@
+name: Feature Request
+description: A suggestion for a new feature
+labels: [enhancement]
+body:
+ - type: textarea
+   id: description
+   attributes:
+     label: Description
+     description: |
+       A description of your proposed feature.
+       Examples that show what's missing, or what new capabilities will be possible, are very helpful!
+       If this feature unlocks new use-cases please describe them.
+       Provide links to existing issues or external references/discussions, if appropriate.