chore(deps): update grafana/otel-lgtm docker digest to 325a40d (#5092)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| grafana/otel-lgtm | digest | `ab18c8f` -> `325a40d` |

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internal/dev/docker-compose.grafana.yml

@@ -1,6 +1,6 @@
 services:
   otel-lgtm:
-    image: ${FTL_GRAFANA_IMAGE:-grafana/otel-lgtm@sha256:ab18c8f12da299291040af7892cc2d12cada234e3689a3c5639dc88dd47b62f5}
+    image: ${FTL_GRAFANA_IMAGE:-grafana/otel-lgtm@sha256:325a40d20f5bd8a45c6dbbcebde30d2781fa09f7d8890e5215cb2e368b782fa7}
     ports:
       - 3000:3000 # Portal Endpoint
       - 9090:9090 # Prometheus