Use input boxes for the OpenIddict version in the issue templates

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -11,16 +11,11 @@ body:
     - label: I confirm I'm a sponsor or a contributor
       required: true
 
-- type: dropdown
+- type: input
   id: version
   attributes:
     label: Version
     description: What version of OpenIddict are you running?
-    options:
-      - 1.x (no longer supported)
-      - 2.x (no longer supported)
-      - 3.x (no longer supported)
-      - 4.x
   validations:
     required: true
 

.github/ISSUE_TEMPLATE/provider_issue.yml

@@ -14,13 +14,11 @@ body:
     - label: "I'm not interested in submitting a pull request and understand that this provider may not be fixed in the near future without my contribution."
       required: false
 
-- type: dropdown
+- type: input
   id: version
   attributes:
     label: Version
     description: What version of OpenIddict are you running?
-    options:
-      - 4.x
   validations:
     required: true
 

.github/ISSUE_TEMPLATE/question.yml

@@ -11,16 +11,11 @@ body:
     - label: I confirm I'm a sponsor or a contributor
       required: true
 
-- type: dropdown
+- type: input
   id: version
   attributes:
     label: Version
     description: What version of OpenIddict are you running?
-    options:
-      - 1.x (no longer supported)
-      - 2.x (no longer supported)
-      - 3.x (no longer supported)
-      - 4.x
   validations:
     required: true