update issue templates

Author: kristoff-it

.github/ISSUE_TEMPLATE/crash.yml

@@ -18,7 +18,7 @@ body:
       placeholder: "Linux, helix"
     validations:
       required: true
-  - type: markdown
+  - type: textarea
     id: repro
     attributes:
       label: Steps to Reproduce and Observed Behavior

.github/ISSUE_TEMPLATE/error_message.yml

@@ -10,14 +10,14 @@ body:
       placeholder: "v0.5.3-dev.59+0336596"
     validations:
       required: true
-  - type: markdown
+  - type: textarea
     id: repro
     attributes:
       label: Steps to Reproduce and Observed Behavior
       description: What exactly can someone else do, in order to observe the problem that you observed? Include error messages, if any.
     validations:
       required: true
-  - type: markdown
+  - type: textarea
     id: expected
     attributes:
       label: Expected Output according to the HTML spec