Make minimal reproduction link field required (#11125)

* Make minimal reproduction link field required

Changed the 'minimal reproduction' link field to be required.

* Remove labels from bug report template

Removed labels from bug report template.

* Update feature request template labels

Removed 'enhancement' label from feature request template.

Author: penalosa

.github/ISSUE_TEMPLATE/bug-template.yaml

@@ -1,6 +1,5 @@
 name: "\U0001F41B Bug Report"
 description: Report an issue or possible bug
-labels: ["bug"]
 type: Bug
 
 body:
@@ -20,7 +19,7 @@ body:
       label: Please provide a link to a minimal reproduction
       placeholder: https://github.com/foobar-user/minimal-repro
     validations:
-      required: false
+      required: true
   - type: textarea
     attributes:
       label: Describe the Bug

.github/ISSUE_TEMPLATE/feature-request.yaml

@@ -1,6 +1,5 @@
 name: "\U0001F680 Feature Request"
 description: Have a suggestion for how to improve wrangler? Let us know!
-labels: ["enhancement"]
 type: Feature
 
 body: