Update changets

Co-authored-by: Camila Belo <camilaibs@gmail.com>
Signed-off-by: Johan Haals <johan.haals@gmail.com>

.changeset/four-singers-fetch.md

@@ -1,5 +1,9 @@
 ---
 '@backstage/backend-test-utils': patch
+'@backstage/plugin-kubernetes-node': patch
+'@backstage/plugin-kubernetes-backend': patch
+'@backstage/plugin-scaffolder-backend': patch
+'@backstage/plugin-proxy-backend': patch
 ---
 
-Update imports
+Update internal imports

.changeset/friendly-points-approve.md

@@ -0,0 +1,6 @@
+---
+'@backstage/backend-defaults': patch
+---
+
+Added deprecation warning to urge users to perform the auth service migration or implement their own token manager service.
+See https://backstage.io/docs/tutorials/auth-service-migration for more information.