chore(deps): update container image bitnami/node-exporter to 1.7.0@1f0b4b2 by renovate (#18207)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| bitnami/node-exporter | digest | `3c50238` -> `1f0b4b2` |

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> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

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### Configuration

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This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4xODMuMiIsInVwZGF0ZWRJblZlciI6IjM3LjE4My4yIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

charts/dependency/node-exporter/Chart.yaml

@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/dependency/node-exporter
   - https://hub.docker.com/r/bitnami/node-exporter
 type: application
-version: 6.1.19
+version: 6.1.20

charts/dependency/node-exporter/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: bitnami/node-exporter
   pullPolicy: IfNotPresent
-  tag: 1.7.0@sha256:3c5023819bd936d2008aa29bf3db6ad5e6460fccd6bd83a2eb4e676159fb89a3
+  tag: 1.7.0@sha256:1f0b4b221cb6d2b4a8002162d24f1a18a40a2bf5d5bdfb242b1687c625e507fd
 service:
   main:
     ports: