[FLINK-8833] [sql-client] Create a SQL Client JSON format fat-jar

This closes #5700.

flink-formats/flink-json/pom.xml

@@ -63,6 +63,13 @@ under the License.
 
 		<!-- test dependencies -->
 
+		<dependency>
+			<groupId>org.apache.flink</groupId>
+			<artifactId>flink-test-utils-junit</artifactId>
+			<version>${project.version}</version>
+			<scope>test</scope>
+		</dependency>
+
 		<dependency>
 			<groupId>org.apache.flink</groupId>
 			<!-- use a dedicated Scala version to not depend on it -->
@@ -79,4 +86,30 @@ under the License.
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
+
+	<profiles>
+		<profile>
+			<!-- Create SQL Client uber jars for releases -->
+			<id>release</id>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
+						<artifactId>maven-jar-plugin</artifactId>
+						<executions>
+							<execution>
+								<phase>package</phase>
+								<goals>
+									<goal>jar</goal>
+								</goals>
+								<configuration>
+									<classifier>sql-jar</classifier>
+								</configuration>
+							</execution>
+						</executions>
+					</plugin>
+				</plugins>
+			</build>
+		</profile>
+	</profiles>
 </project>