Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: Bug
+assignees: ''
+
+---
+
+My `composer.json`:
+
+```json
+...replace me...
+```
+
+Output of `composer diagnose`:
+
+```
+...replace me...
+```
+
+When I run this command: <!-- run it with `-vvv` added to it ideally to get full debug output -->
+
+```
+...replace me...
+```
+
+I get the following output: <!-- FULL OUTPUT please, not just what you think is relevant -->
+
+```
+...replace me...
+```
+
+And I expected this to happen:

.github/ISSUE_TEMPLATE/feature_request.md

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

.github/ISSUE_TEMPLATE/support-request---question.md

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+---
+name: Support request / question
+about: Confused, looking for assistance, and you don't like GitHub Discussions?
+title: ''
+labels: Support
+assignees: ''
+
+---
+
+My `composer.json`:
+
+```json
+...replace me...
+```
+
+Output of `composer diagnose`:
+
+```
+...replace me...
+```
+
+When I run this command: <!-- run it with `-vvv` added to it ideally to get full debug output -->
+
+```
+...replace me...
+```
+
+I get the following output: <!-- FULL OUTPUT please, not just what you think is relevant -->
+
+```
+...replace me...
+```
+
+And I expected this to happen: