Add GraphQL query to list SCIM accounts for an EMU

This commit adds a GraphQL query to list SCIM accounts for an EMU
(Enterprise Managed Users) enterprise account. The query retrieves
details about enterprise members and their SCIM account information,
which is useful for managing user accounts in GitHub Enterprise Cloud.

Author: jusuchin85

graphql/queries/emu-list-scim-accounts.graphql

@@ -0,0 +1,26 @@
+# This GraphQL query can be used to generate a list of enterprise members and their SCIM account details in a GitHub Enterprise Cloud with Managed Users (EMU) enterprise account.
+#
+# Replace `ENTEPRISE_SLUG` with the slug of your enterprise. To get more than 10 members, you can adjust the "first" parameter.
+#
+# Note: the output will include suspended users (identified with their obfuscated account name), but it will not include personal user accounts that are not part of the EMU (Enterprise Managed Users) system.
+
+query ListAllEnterpriseUsers {
+  enterprise(slug: "ENTEPRISE_SLUG") {
+    ownerInfo {
+      samlIdentityProvider {
+        externalIdentities(first: 10) {
+          nodes {
+            user {
+              login
+              name
+            }
+            scimIdentity {
+              username
+              groups
+            }
+          }
+        }
+      }
+    }
+  }
+}