aws: add zstd compression type

zstd compression type added for the aws compression

Signed-off-by: Ujjwal Sharma <ujjwal26599@gmail.com>
Signed-off-by: usharma <ujjwal_sharma@intuit.com>

Author: usharma

include/fluent-bit/aws/flb_aws_compress.h

@@ -25,6 +25,7 @@
 #define FLB_AWS_COMPRESS_GZIP    1
 #define FLB_AWS_COMPRESS_ARROW   2
 #define FLB_AWS_COMPRESS_PARQUET 3
+#define FLB_AWS_COMPRESS_ZSTD    4
 
 /*
  * Get compression type from compression keyword. The return value is used to identify