chore(deps): update bitnamilegacy/node-exporter docker tag to v1.9.1 (#407)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[bitnamilegacy/node-exporter](https://redirect.github.com/bitnami/containers)
([source](https://redirect.github.com/bitnami/containers/tree/HEAD/bitnami/node-exporter))
| minor | `1.6.0` → `1.9.1` |

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compose-debug.yml

@@ -19,7 +19,7 @@ services:
     restart: unless-stopped
 
   node-exporter:
-    image: bitnamilegacy/node-exporter:${NODE_EXPORTER_VERSION:-1.6.0}
+    image: bitnamilegacy/node-exporter:${NODE_EXPORTER_VERSION:-1.9.1}
 
   tempo:
     image: grafana/tempo:${TEMPO_VERSION:-2.10.1}