K8s: Add new annotation as new rule in ingress-nginx controller

Signed-off-by: Viet Nguyen Duc <[email protected]>

Author: VietND96

charts/selenium-grid/templates/_helpers.tpl

@@ -114,6 +114,7 @@ nginx.ingress.kubernetes.io/proxy-request-buffering: "on"
 nginx.ingress.kubernetes.io/proxy-buffering: "on"
     {{- with .size }}
 nginx.ingress.kubernetes.io/proxy-buffer-size: {{ . | quote }}
+nginx.ingress.kubernetes.io/proxy-busy-buffers-size: {{ . | quote }}
 nginx.ingress.kubernetes.io/client-body-buffer-size: {{ . | quote }}
     {{- end }}
     {{- with .number }}