chore: update dependencies

Author: kayleg

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name         =  "cloud-pubsub"
-version      =  "0.8.0"
+version      =  "0.9.0"
 authors      =  ["Kayle Gishen <k@bkdsw.com>", "tehAnswer <sergiorodriguezgijon@gmail.com>"]
 edition      =  "2018"
 description  =  "Google Cloud PubSub Client"
@@ -15,12 +15,12 @@ bytes         =  "1"
 hyper         =  "0.14"
 hyper-tls     =  "0.5"
 tokio         =  "1"
-goauth        =  "0.9"
-smpl_jwt      =  "0.6"
+goauth        =  "0.13"
+smpl_jwt      =  "0.7"
 serde         =  "1.0"
 serde_derive  =  "1.0"
 serde_json    =  "1.0"
-base64        =  "0.13"
+base64        =  "0.21"
 lazy_static   =  "1.4.0"
 rand          =  "0.8"
 log           =  "0.4"

src/message.rs

@@ -1,5 +1,5 @@
 use crate::error;
-use base64;
+use base64::{self, Engine};
 use serde_derive::{Deserialize, Serialize};
 use std::collections::HashMap;
 
@@ -19,7 +19,7 @@ where
 
 impl EncodedMessage {
     pub fn decode(&self) -> Result<Vec<u8>, base64::DecodeError> {
-        base64::decode(&self.data)
+        base64::engine::general_purpose::STANDARD.decode(&self.data)
     }
 
     pub fn attributes(&self) -> Option<&HashMap<String, String>> {
@@ -31,11 +31,11 @@ impl EncodedMessage {
         Self::new_binary(&json, attributes)
     }
 
-    pub fn new_binary<T: AsRef<[u8]>>(
+    pub fn new_binary<T: AsRef<[u8]> + std::marker::Sync>(
         incoming: &T,
         attributes: Option<HashMap<String, String>>,
     ) -> Self {
-        let data = base64::encode(&incoming);
+        let data = base64::engine::general_purpose::STANDARD.encode(&incoming);
         EncodedMessage { data, attributes }
     }
 }