Increase purpose limit

src/registrar/forms/domain_request_wizard.py

@@ -515,8 +515,8 @@ class PurposeForm(RegistrarForm):
         widget=forms.Textarea(),
         validators=[
             MaxLengthValidator(
-                1000,
+                2000,
-                message="Response must be less than 1000 characters.",
+                message="Response must be less than 2000 characters.",
             )
         ],
         error_messages={"required": "Describe how you’ll use the .gov domain you’re requesting."},

src/registrar/templates/domain_request_purpose.html

@@ -13,7 +13,7 @@
 {% endblock %}
 
 {% block form_fields %}
-    {% with attr_maxlength=1000 add_label_class="usa-sr-only" %}
+    {% with attr_maxlength=2000 add_label_class="usa-sr-only" %}
       {% input_with_errors forms.0.purpose %}
     {% endwith %}
 {% endblock %}