Change some textarea to input in vulnerability template

Signed-off-by: Muntashir Al-Islam <muntashirakon@riseup.net>

.github/ISSUE_TEMPLATE/report_vulnerability.yml

@@ -10,7 +10,7 @@ body:
           - label: I have investigated the app and created a report
             required: true
 
-  - type: textarea
+  - type: input
     attributes:
         label: Vulnerability report
         description: CVD/CVE, or a link otherwise
@@ -18,14 +18,14 @@ body:
     validations:
         required: true
 
-  - type: textarea
+  - type: input
     attributes:
         label: Package name
         placeholder: com.samsung.SMT
     validations:
       required: true
 
-  - type: textarea
+  - type: input
     attributes:
         label: Package label
         placeholder: Samsung TTS
@@ -42,7 +42,7 @@ body:
     validations:
       required: true
 
-  - type: textarea
+  - type: input
     attributes:
       label: Removal
       placeholder: Update, or remove if the feature is not used