chore(deps): update container image diygod/rsshub to latest@794c78f (#15571)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| diygod/rsshub | digest | `5897f67` -> `794c78f` |

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charts/stable/rsshub/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 kubeVersion: ">=1.16.0-0"
 name: rsshub
-version: 8.0.280
+version: 8.0.281
 appVersion: latest
 description: RSSHub can generate RSS feeds from pretty much everything
 type: application

charts/stable/rsshub/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: diygod/rsshub
   pullPolicy: IfNotPresent
-  tag: latest@sha256:5897f672f776d5c69dd321a614e99eecf0cb4e4a86f7ccc008f1b1b72956d5e5
+  tag: latest@sha256:794c78f0eb5832eb866d75da191fede113e56a8f3d1758ce09e5b094c5624b9f
 browserlessImage:
   repository: browserless/chrome
   tag: 1.60.2-chrome-stable@sha256:7db5e3aad20c201abaa03bbbc868a55ef96574cda0e67ccb7e4e032053ecb87d