Update win_dns_record.py (ansible#55378)

##### SUMMARY
<!--- Your description here -->
The documentation dictates the values are strings. but the examples don't show this.
This can be confusing for new people.

##### ISSUE TYPE
- Docs Pull Request

+label: docsite_pr

lib/ansible/modules/windows/win_dns_record.py

@@ -71,17 +71,17 @@
 EXAMPLES = r'''
 - name: Create database server alias
   win_dns_record:
-    name: db1
-    type: CNAME
-    value: cgyl1404p.amer.example.com
-    zone: amer.example.com
+    name: "db1"
+    type: "CNAME"
+    value: "cgyl1404p.amer.example.com"
+    zone: "amer.example.com"
 
 - name: Remove static record
   win_dns_record:
-    name: db1
-    type: A
+    name: "db1"
+    type: "A"
     state: absent
-    zone: amer.example.com
+    zone: "amer.example.com"
 '''
 
 RETURN = r'''