Update monitoring packages to latest versions

- Updated all OpenTelemetry packages to latest versions:
  - opentelemetry-api: 1.27.0 → 1.39.1
  - opentelemetry-sdk: 1.27.0 → 1.39.1
  - opentelemetry-exporter-otlp-proto-grpc: 1.27.0 → 1.39.1
  - opentelemetry-exporter-otlp-proto-http: 1.27.0 → 1.39.1
  - opentelemetry-instrumentation-fastapi: 0.48b0 → 0.60b1
  - opentelemetry-instrumentation-httpx: 0.48b0 → 0.60b1
  - opentelemetry-instrumentation-redis: 0.48b0 → 0.60b1
  - opentelemetry-instrumentation-sqlalchemy: 0.48b0 → 0.60b1

- Removed prometheus-client==0.23.1 from all services
- Unified all services to use the same monitoring package versions

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

infrastructure/kubernetes/overlays/dev/kustomization.yaml

@@ -9,15 +9,12 @@ metadata:
 
 resources:
   - ../../base
-  # Monitoring enabled for dev environment
-  - ../../base/components/monitoring
   - dev-ingress.yaml
-  # SigNoz ingress is applied by Tilt (see Tiltfile)
-  # - signoz-ingress.yaml
+  # SigNoz is managed via Helm deployment (see Tiltfile signoz-deploy)
+  # Monitoring is handled by SigNoz (no separate monitoring components needed)
   # Dev-Prod Parity: Enable HTTPS with self-signed certificates
   - dev-certificate.yaml
-  - monitoring-certificate.yaml
-  - cluster-issuer-staging.yaml
+  # SigNoz paths are now included in the main ingress (ingress-https.yaml)
 
 # Exclude nominatim from dev to save resources
 # Using scale to 0 for StatefulSet to prevent pod creation
@@ -611,39 +608,6 @@ patches:
           limits:
             memory: "512Mi"
             cpu: "300m"
-  # Optional exporters resource patches for dev
-  - target:
-      group: apps
-      version: v1
-      kind: DaemonSet
-      name: node-exporter
-      namespace: monitoring
-    patch: |-
-      - op: replace
-        path: /spec/template/spec/containers/0/resources
-        value:
-          requests:
-            memory: "32Mi"
-            cpu: "25m"
-          limits:
-            memory: "64Mi"
-            cpu: "100m"
-  - target:
-      group: apps
-      version: v1
-      kind: Deployment
-      name: postgres-exporter
-      namespace: monitoring
-    patch: |-
-      - op: replace
-        path: /spec/template/spec/containers/0/resources
-        value:
-          requests:
-            memory: "32Mi"
-            cpu: "25m"
-          limits:
-            memory: "64Mi"
-            cpu: "100m"
 
 secretGenerator:
   - name: dev-secrets