set dapr-api-token to healthz requests when needed (dapr#1145)

Signed-off-by: Fabian Martinez <46371672+famarting@users.noreply.github.com>
Co-authored-by: Yaron Schneider <schneider.yaron@live.com>

src/Dapr.Client/DaprClientGrpc.cs

@@ -1743,6 +1743,12 @@ public override async Task<bool> CheckHealthAsync(CancellationToken cancellation
         {
             var path = "/v1.0/healthz";
             var request = new HttpRequestMessage(HttpMethod.Get, new Uri(this.httpEndpoint, path));
+
+            if (this.apiTokenHeader is not null)
+            {
+                request.Headers.Add(this.apiTokenHeader.Value.Key, this.apiTokenHeader.Value.Value);
+            }
+
             try
             {
                 using var response = await this.httpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
@@ -1759,6 +1765,12 @@ public override async Task<bool> CheckOutboundHealthAsync(CancellationToken canc
         {
             var path = "/v1.0/healthz/outbound";
             var request = new HttpRequestMessage(HttpMethod.Get, new Uri(this.httpEndpoint, path));
+
+            if (this.apiTokenHeader is not null)
+            {
+                request.Headers.Add(this.apiTokenHeader.Value.Key, this.apiTokenHeader.Value.Value);
+            }
+
             try
             {
                 using var response = await this.httpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken);