fix: increase deployment rollout timeout to 300s (GRO-147)

- charts/groombook/templates/api-deployment.yaml: set progressDeadlineSeconds 300
- charts/groombook/templates/web-deployment.yaml: set progressDeadlineSeconds 300
- .github/workflows/ci.yml: kubectl rollout timeout 120s→300s

Co-Authored-By: Paperclip <noreply@paperclip.ing>

charts/groombook/templates/api-deployment.yaml

@@ -7,6 +7,7 @@ metadata:
     app.kubernetes.io/component: api
 spec:
   replicas: {{ .Values.api.replicas }}
+  progressDeadlineSeconds: 300
   selector:
     matchLabels:
       {{- include "groombook.selectorLabels" . | nindent 6 }}

charts/groombook/templates/web-deployment.yaml

@@ -7,6 +7,7 @@ metadata:
     app.kubernetes.io/component: web
 spec:
   replicas: {{ .Values.web.replicas }}
+  progressDeadlineSeconds: 300
   selector:
     matchLabels:
       {{- include "groombook.selectorLabels" . | nindent 6 }}