Update bug report template to use form (#7535)

update bug report template to use form

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,19 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
-title: ''
-labels: kind/triage
-assignees: ''
-
----
-
-#### Problem Description
-A clear and concise description of what the bug is.
-
-#### Steps to reproduce the behavior:
-1. 
-2. 
-3. 
-
-#### System Information
-Paste the output of "mitmproxy --version" here.

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -0,0 +1,27 @@
+name: Bug Report
+description: File a bug report to help us improve.
+labels: ["kind/triage"]
+body:
+  - type: textarea
+    attributes:
+      label: Problem Description
+      value: |
+        A clear and concise description of what the bug is.
+        
+        #### Steps to reproduce the behavior:
+        1. 
+        2. 
+        3. 
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: System Information
+      description: Paste the output of "mitmproxy --version" here.
+      render: raw
+  - type: checkboxes
+    attributes:
+      label: 'Checklist'
+      options:
+        - label: This bug affects the [latest mitmproxy release](https://github.com/mitmproxy/mitmproxy/releases).
+          required: true