update version in pom.xml (#221)

Author: JNSimba

flink-doris-connector/pom.xml

@@ -27,7 +27,7 @@ under the License.
     </parent>
     <groupId>org.apache.doris</groupId>
     <artifactId>flink-doris-connector-${flink.minor.version}_${scala.version}</artifactId>
-    <version>1.0.0-SNAPSHOT</version>
+    <version>1.0.4-SNAPSHOT</version>
     <name>Flink Doris Connector</name>
     <url>https://doris.apache.org/</url>
     <licenses>