upgrade the version of protobuf&proto to fix their CVE (#495) (#496)

Signed-off-by: yhmo <yihua.mo@zilliz.com>
Co-authored-by: GenkenWei <247910571@qq.com>

pom.xml

@@ -65,8 +65,8 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <grpc.version>1.46.0</grpc.version>
-        <protobuf.version>3.19.2</protobuf.version>
-        <protoc.version>3.19.2</protoc.version>
+        <protobuf.version>3.19.6</protobuf.version>
+        <protoc.version>3.19.6</protoc.version>
         <commons-collections4.version>4.3</commons-collections4.version>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>