Find-replace "domain application", "domain_application", "domain-application" with "domain request", "domain_request", "domain-request". Preserved camel-cases through strict find-replace conditions.

.github/ISSUE_TEMPLATE/bug.yml

@@ -22,7 +22,7 @@ body:
     attributes:
       label: Expected Behavior
       description: "Please add a concise description of the behavior you would expect if this issue were not occurring"
-      placeholder: "Example: When submitting a new domain application, the request should be successful, OR if there is a problem with the user's application preventing submission, errors should be enumerated to the user"
+      placeholder: "Example: When submitting a new domain request, the request should be successful, OR if there is a problem with the user's application preventing submission, errors should be enumerated to the user"
     validations:
       required: true
   - type: textarea

.github/ISSUE_TEMPLATE/story.yml

@@ -19,7 +19,7 @@ body:
         
         Example:
         As an analyst
-        I want the ability to approve a domain application
+        I want the ability to approve a domain request
         so that a request can be fulfilled and a new .gov domain can be provisioned
       value: |
         As a 
@@ -36,11 +36,11 @@ body:
         
         Example:
         - Application sends an email when analysts approve domain requests
-        - Domain application status is "approved"
+        - Domain request status is "approved"
         
         Example ("given, when, then" format):
-        Given that I am an analyst who has finished reviewing a domain application
-        When I click to approve a domain application
+        Given that I am an analyst who has finished reviewing a domain request
+        When I click to approve a domain request
         Then the domain provisioning process should be initiated, and the applicant should receive an email update.
     validations:
       required: true