chore(helm): update image docker.io/diygod/rsshub digest to 978a21a (#29011)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/diygod/rsshub | digest | `58a85b9` -> `978a21a` |

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charts/stable/rsshub/Chart.yaml

@@ -42,4 +42,4 @@ sources:
   - https://hub.docker.com/r/browserless/chrome
   - https://hub.docker.com/r/diygod/rsshub
 type: application
-version: 14.5.101
+version: 14.5.102

charts/stable/rsshub/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: docker.io/diygod/rsshub
   pullPolicy: IfNotPresent
-  tag: latest@sha256:58a85b916270effb50d12f7875f41f592f0515d9bff855606a75a5511ba3b663
+  tag: latest@sha256:978a21afccd1ef2aba55395d4d5bfe8e383efa122d949b24a110033b00c53c53
 browserlessImage:
   repository: docker.io/browserless/chrome
   tag: 1.61.1-chrome-stable@sha256:efac47cfff3830d9a50b27d29f8bbb61949058ae336c823fbe9bd3c0d1debcc8