Only validate GraphQL previews

.github/workflows/integration.yml

@@ -66,7 +66,7 @@ jobs:
           echo $'\u2705 Test passed' | tee -a $GITHUB_STEP_SUMMARY
 
   test-previews:
-    name: 'Integration test: previews option'
+    name: 'Integration test: GraphQL previews option'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -77,7 +77,7 @@ jobs:
         with:
           script: |
             const endpoint = github.request.endpoint
-            return endpoint({}).headers.accept
+            return endpoint({url: \"/graphql\"}).headers.accept
           result-encoding: string
       - id: previews-set-single
         name: Previews set to a single value
@@ -86,7 +86,7 @@ jobs:
           previews: foo
           script: |
             const endpoint = github.request.endpoint
-            return endpoint({}).headers.accept
+            return endpoint({url: \"/graphql\"}).headers.accept
           result-encoding: string
       - id: previews-set-multiple
         name: Previews set to comma-separated list
@@ -95,7 +95,7 @@ jobs:
           previews: foo,bar,baz
           script: |
             const endpoint = github.request.endpoint
-            return endpoint({}).headers.accept
+            return endpoint({url: \"/graphql\"}).headers.accept
           result-encoding: string
       - run: |
           echo "- Validating previews default"

README.md

@@ -39,6 +39,8 @@ Version 7 of this action updated the runtime to Node 20 - https://docs.github.co
 
 All scripts are now run with Node 20 instead of Node 16 and are affected by any breaking changes between Node 16 and 20
 
+The `previews` input now only applies to GraphQL API calls as REST API previews are no longer necessary - https://github.blog/changelog/2021-10-14-rest-api-preview-promotions/.
+
 ### V6
 
 Version 6 of this action updated the runtime to Node 16 - https://docs.github.com/en/actions/creating-actions/metadata-syntax-for-github-actions#runs-for-javascript-actions

action.yml

@@ -19,7 +19,7 @@ inputs:
     description: An optional user-agent string
     default: actions/github-script
   previews:
-    description: A comma-separated list of API previews to accept
+    description: A comma-separated list of GraphQL API previews to accept
   result-encoding:
     description: Either "string" or "json" (default "json")—how the result will be encoded
     default: json