chore(issue-templates): make required fields mandatory

.github/ISSUE_TEMPLATE/add_monochrome_icon.yml

@@ -14,22 +14,30 @@ body:
       label: Icon name
       description: The name has to be unique and should be kebab-case.
       placeholder: e.g. "icon-name"
+    validations:
+      required: true
   - type: textarea
     attributes:
       label: Paste light mode icon
       description: |
         Please paste the icon here. It will automatically upload it to github. This icon should be visible on a light background.
+    validations:
+      required: true
   - type: textarea
     attributes:
       label: Paste dark mode icon
       description: |
         Please paste the icon here. It will automatically upload it to github. This icon should be visible on a dark background.
+    validations:
+      required: true
   - type: dropdown
     attributes:
       label: Icon type
       options:
         - SVG
         - PNG
+    validations:
+      required: true
   - type: dropdown
     attributes:
       label: Categories

.github/ISSUE_TEMPLATE/add_normal_icon.yml

@@ -15,12 +15,16 @@ body:
       label: Icon name
       description: The name has to be unique and should be kebab-case.
       placeholder: e.g. "icon-name"
+    validations:
+      required: true
   - type: textarea
     id: icon
     attributes:
       label: Paste icon
       description: |
         Please paste the icon here. It will automatically upload it to github.
+    validations:
+      required: true
   - type: dropdown
     id: type
     attributes:
@@ -28,6 +32,8 @@ body:
       options:
         - SVG
         - PNG
+    validations:
+      required: true
   - type: dropdown
     attributes:
       label: Categories

.github/ISSUE_TEMPLATE/update_monochrome_icon.yml

@@ -13,22 +13,30 @@ body:
       label: Icon name
       description: The name has to be unique and should be kebab-case.
       placeholder: e.g. "icon-name"
+    validations:
+      required: true
   - type: textarea
     attributes:
       label: Paste light mode icon
       description: |
         Please paste the icon here. It will automatically upload it to github. This icon should be visible on a light background.
+    validations:
+      required: true
   - type: textarea
     attributes:
       label: Paste dark mode icon
       description: |
         Please paste the icon here. It will automatically upload it to github. This icon should be visible on a dark background.
+    validations:
+      required: true
   - type: dropdown
     attributes:
       label: Icon type
       options:
         - SVG
         - PNG
+    validations:
+      required: true
   - type: textarea
     attributes:
       label: Additional information

.github/ISSUE_TEMPLATE/update_normal_icon.yml

@@ -13,17 +13,23 @@ body:
       label: Icon name
       description: The name has to match the existing icon name.
       placeholder: e.g. "icon-name"
+    validations:
+      required: true
   - type: textarea
     attributes:
       label: Paste icon
       description: |
         Please paste the icon here. It will automatically upload it to github.
+    validations:
+      required: true
   - type: dropdown
     attributes:
       label: Icon type
       options:
         - SVG
         - PNG
+    validations:
+      required: true
   - type: textarea
     attributes:
       label: Additional information