Merge pull request #7321 from ryan-hanchett/fix/update-oauth-refresh-token

Fix oauth refresh logic to set new refresh token

.changeset/thick-rabbits-double.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-auth-backend': patch
+---
+
+Update OAuth refresh handler to pass updated refresh token to ensure cookie is updated with new value.

plugins/auth-backend/src/providers/oauth2/provider.ts

@@ -166,6 +166,7 @@ export class OAuth2AuthProvider implements OAuthHandlers {
         accessToken: result.accessToken,
         scope: result.params.scope,
         expiresInSeconds: result.params.expires_in,
+        refreshToken: result.refreshToken,
       },
       profile,
     };