feat(container): update image icereed/paperless-gpt ( v0.20.0 → v0.21.0 )

| datasource | package               | from    | to      |
| ---------- | --------------------- | ------- | ------- |
| docker     | icereed/paperless-gpt | v0.20.0 | v0.21.0 |

Author: renovate[bot]

kubernetes/apps/paperless-gpt/helm-release.yml

@@ -55,7 +55,7 @@ spec:
           app:
             image:
               repository: icereed/paperless-gpt
-              tag: v0.20.0
+              tag: v0.21.0
             env:
               PAPERLESS_BASE_URL: "http://paperless-ngx.tools.svc.cluster.local:8000"
               PAPERLESS_PUBLIC_URL: "https://paperless-ngx.chkpwd.com"