Add framework selection to bug report template

Added a dropdown for selecting the framework used in the bug report.

Author: buenaflor

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -2,6 +2,17 @@ name: 🐞 Bug Report
 description: Tell us about something that's not working the way we (probably) intend.
 labels: ["KMP", "Bug"]
 body:
+  - type: dropdown
+    id: framework
+    attributes:
+      label: Framework
+      description: Which framework are you using?
+      options:
+        - Kotlin Multiplatform
+        - Compose Multiplatform
+    validations:
+      required: true
+
   - type: dropdown
     id: environment
     attributes: