Increase maximum bearer token size to avoid truncation

(cherry picked from commit 79a7a82)

Author: Ahmed Yarub Hani Al Nuaimi

kubernetes/config/kube_config_common.h

@@ -7,7 +7,7 @@ extern "C" {
 
 #define AUTH_TOKEN_KEY "Authorization"
 #define BEARER_TOKEN_TEMPLATE "Bearer %s"
-#define BEARER_TOKEN_BUFFER_SIZE 1024
+#define BEARER_TOKEN_BUFFER_SIZE 2048
 #define BASIC_TOKEN_TEMPLATE "Basic %s"
 #define BASIC_TOKEN_BUFFER_SIZE 1024