fix(helm): use correct prometheus port (#5644)

helm/templates/coder.yaml

@@ -55,7 +55,7 @@ spec:
             - name: CODER_HTTP_ADDRESS
               value: "0.0.0.0:8080"
             - name: CODER_PROMETHEUS_ADDRESS
-              value: "0.0.0.0:6060"
+              value: "0.0.0.0:2112"
             # Set the default access URL so a `helm apply` works by default.
             # See: https://github.com/coder/coder/issues/5024
             {{- $hasAccessURL := false }}
@@ -98,7 +98,7 @@ spec:
             */}}
             {{- if eq .value "true" }}
             - name: "prometheus-http"
-              containerPort: 6060
+              containerPort: 2112
               protocol: TCP
             {{- end }}
             {{- end }}