fix(spectre): update test-logs grep to match 0.68.3 log format

Spectre 0.68.3 changed the relay startup log from
'Starting chainID=X tag=RELAY' to 'msg=Starting tag=RELAY'.
Update the helm test grep pattern accordingly.

Author: devkoriel

charts/spectre/templates/tests/test-logs.yaml

@@ -16,5 +16,5 @@ spec:
         - -c
         - |
           echo 'Running tests';
-          kubectl logs --namespace {{ .Release.Namespace }} $(kubectl get pods --namespace {{ .Release.Namespace }} -l 'app.kubernetes.io/instance={{ .Release.Name }},app.kubernetes.io/name={{ include "spectre.name" . }}' -o jsonpath='{.items[0].metadata.name}') | grep 'Starting chainID={{ .Values.chainId }} tag=RELAY'
+          kubectl logs --namespace {{ .Release.Namespace }} $(kubectl get pods --namespace {{ .Release.Namespace }} -l 'app.kubernetes.io/instance={{ .Release.Name }},app.kubernetes.io/name={{ include "spectre.name" . }}' -o jsonpath='{.items[0].metadata.name}') | grep 'msg=Starting tag=RELAY'
   restartPolicy: Never