chore: improve bug report issue template

- Split reproduction into a required 'Steps to reproduce' field
- Replace the .bru file prompt with an optional 'Collection to reproduce'
- Disable blank issues to encourage use of the templates

.github/ISSUE_TEMPLATE/BugReport.yaml

@@ -49,14 +49,21 @@ body:
   - type: textarea
     attributes:
       label: Describe the bug
-      description: A clear and concise description of the bug and how it's effecting your work along with steps to reproduce. 
+      description: A clear and concise description of the bug and how it's effecting your work. 
     validations:
       required: true
 
   - type: textarea
     attributes:
-      label: .bru file to reproduce the bug
-      description: Attach your .bru file here that can reproduce the problem.
+      label: Steps to reproduce
+      description: The exact steps that can be performd to reproduce the issue 
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Collection to reproduce 
+      description: If possible, please attach the collection where the bug is present
     validations:
       required: false
 

.github/ISSUE_TEMPLATE/config.yaml

@@ -1,4 +1,4 @@
-blank_issues_enabled: true
+blank_issues_enabled: false
 contact_links:
   - name: Discussions
     url: https://github.com/usebruno/bruno/discussions