Upgrade ISSUE_TEMPLATE

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -0,0 +1,49 @@
+name: Bug report
+description: Create a report to help us improve
+title: "Bug title"
+labels: [bug]
+body:
+  - type: textarea
+    validations:
+      required: true
+    attributes:
+      label: Describe the bug
+      description: A clear and concise description of what the bug is
+  - type: textarea
+    validations:
+      required: true
+    attributes:
+      label: To Reproduce
+      description: Steps to reproduce the behavior
+  - type: textarea
+    validations:
+      required: true
+    attributes:
+      label: Expected behavior
+      description: A clear and concise description of what you expected to happen
+  - type: textarea
+    attributes:
+      label: Screenshots
+      description: If applicable, add screenshots to help explain your problem
+  - type: textarea
+    validations:
+      required: true
+    attributes:
+      label: OS version
+      description: Which OS versions did you see the issue on? 
+  - type: textarea
+    validations:
+      required: true
+    attributes:
+      label: .NET version
+      description: Which .NET versions did you see the issue on?
+  - type: textarea
+    validations:
+      required: true
+    attributes:
+      label: WPF-UI NuGet version
+      description: Which WPF-UI NuGet versions did you see the issue on?
+  - type: textarea
+    attributes:
+      label: Additional context
+      description: Add any other context about the problem here

.github/ISSUE_TEMPLATE/feature_request.yaml

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+name: Feature request
+description: Suggest an idea for the wpfui
+title: "Feature request title"
+labels: [enhancement]
+body:
+  - type: textarea
+    validations:
+      required: true
+    attributes:
+      label: Is your feature request related to a problem? Please describe
+      description: A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+  - type: textarea
+    validations:
+      required: true
+    attributes:
+      label: Describe the solution you'd like
+      description: A clear and concise description of what you want to happen
+  - type: textarea
+    attributes:
+      label: Describe alternatives you've considered
+      description: A clear and concise description of any alternative solutions or features you've considered
+  - type: textarea
+    attributes:
+      label: Additional context
+      description: Add any other context or screenshots about the feature request here