Add version 10.0.20 to bug report template (dotnet#33060)

Author: PureWeen

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -42,8 +42,10 @@ body:
       label: Version with bug
       description: In what version do you see this issue? Run `dotnet workload list` to find your version.
       options:
+        - 10.0.20
         - 10.0.11
         - 10.0.10
+        - 10.0.1
         - 10.0.0
         - 10.0.0-rc.2
         - 10.0.0-rc.1
@@ -151,8 +153,10 @@ body:
         - 10.0.0-rc.1
         - 10.0.0-rc.2
         - 10.0.0
+        - 10.0.1
         - 10.0.10
         - 10.0.11
+        - 10.0.20
     validations:
       required: true
   - type: dropdown