Prepare release 2.2.1 (#411)

Signed-off-by: yhmo <yihua.mo@zilliz.com>

Signed-off-by: yhmo <yihua.mo@zilliz.com>

README.md

@@ -17,7 +17,7 @@ The following table shows compatibilities between Milvus and Java SDK.
 | :------------: |:----------------:|
 |     2.0      |      2.0.4       |
 |     2.1      |   2.1.0-beta4    |
-|     2.2      |      2.2.0       |
+|     2.2      |      2.2.1       |
 
 ### Install Java SDK
 
@@ -29,14 +29,14 @@ You can use **Apache Maven** or **Gradle**/**Grails** to download the SDK.
         <dependency>
             <groupId>io.milvus</groupId>
             <artifactId>milvus-sdk-java</artifactId>
-            <version>2.2.0</version>
+            <version>2.2.1</version>
         </dependency>
        ```
 
    - Gradle/Grails
 
         ```gradle
-        compile 'io.milvus:milvus-sdk-java:2.2.0'
+        compile 'io.milvus:milvus-sdk-java:2.2.1'
         ```
 
 ### Examples

docker-compose.yml

@@ -75,7 +75,7 @@ services:
 
   standaloneslave:
     container_name: milvus-javasdk-test-slave-standalone
-    image: milvusdb/milvus:master-20221103-94aafb50
+    image: milvusdb/milvus:2.2.0-20221122-004b4432
     command: ["milvus", "run", "standalone"]
     environment:
       ETCD_ENDPOINTS: etcdslave:2379

examples/pom.xml

@@ -25,7 +25,7 @@
 
     <groupId>io.milvus</groupId>
     <artifactId>milvus-sdk-java-examples</artifactId>
-    <version>2.2.0</version>
+    <version>2.2.1</version>
     <build>
         <plugins>
             <plugin>
@@ -63,7 +63,7 @@
         <dependency>
             <groupId>io.milvus</groupId>
             <artifactId>milvus-sdk-java</artifactId>
-            <version>2.2.0</version>
+            <version>2.2.1</version>
         </dependency>
         <dependency>
             <groupId>com.google.code.gson</groupId>

pom.xml

@@ -25,7 +25,7 @@
 
     <groupId>io.milvus</groupId>
     <artifactId>milvus-sdk-java</artifactId>
-    <version>2.2.0</version>
+    <version>2.2.1</version>
     <packaging>jar</packaging>
 
     <name>io.milvus:milvus-sdk-java</name>