chore(helm): update image docker.io/diygod/rsshub digest to 91a4780 (#36032)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/diygod/rsshub | digest | `7ba593a` -> `91a4780` |

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charts/stable/rsshub/Chart.yaml

@@ -45,5 +45,5 @@ sources:
   - https://hub.docker.com/r/browserless/chrome
   - https://hub.docker.com/r/diygod/rsshub
 type: application
-version: 15.0.12
+version: 15.0.13
 

charts/stable/rsshub/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: docker.io/diygod/rsshub
   pullPolicy: IfNotPresent
-  tag: latest@sha256:7ba593ad0766cb09b14f8aa98d7b34afe606bc422c5a526386cb76d30e51fc20
+  tag: latest@sha256:91a47803fbcaaf8c71dd4f7613bfe7051414a568eae7ae5b15cbf18a8d9e5110
 browserlessImage:
   repository: docker.io/browserless/chrome
   tag: 1.61.1-chrome-stable@sha256:efac47cfff3830d9a50b27d29f8bbb61949058ae336c823fbe9bd3c0d1debcc8