fix(block-kit): set verbatim false on the card block example text (#358)

Co-authored-by: Claude <svc-devxp-claude@slack-corp.com>
Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

Author: 3 people

block-kit/src/blocks/card.py

@@ -12,12 +12,21 @@ def example01() -> CardBlock:
     """
     block = CardBlock(
         icon=ImageElement(image_url="https://picsum.photos/36/36", alt_text="Icon"),
-        title=MarkdownTextObject(text="Lumon Industries"),
-        subtitle=MarkdownTextObject(text="Committed to work-life balance"),
+        title=MarkdownTextObject(
+            text="Lumon Industries",
+            verbatim=False,
+        ),
+        subtitle=MarkdownTextObject(
+            text="Committed to work-life balance",
+            verbatim=False,
+        ),
         hero_image=ImageElement(
             image_url="https://picsum.photos/400/300", alt_text="Sample hero image"
         ),
-        body=MarkdownTextObject(text="Please enjoy each card equally."),
+        body=MarkdownTextObject(
+            text="Please enjoy each card equally.",
+            verbatim=False,
+        ),
         actions=[
             ButtonElement(
                 text=PlainTextObject(text="Action Button", emoji=False),

block-kit/tests/blocks/test_card.py

@@ -16,10 +16,12 @@ def test_example01():
         "title": {
             "type": "mrkdwn",
             "text": "Lumon Industries",
+            "verbatim": False,
         },
         "subtitle": {
             "type": "mrkdwn",
             "text": "Committed to work-life balance",
+            "verbatim": False,
         },
         "hero_image": {
             "type": "image",
@@ -29,6 +31,7 @@ def test_example01():
         "body": {
             "type": "mrkdwn",
             "text": "Please enjoy each card equally.",
+            "verbatim": False,
         },
         "actions": [
             {