Update dependency org.freemarker:freemarker to v2.3.34 (#2772)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

flink-table/flink-sql-parser-hive/pom.xml

@@ -156,7 +156,7 @@ under the License.
 					<dependency>
 						<groupId>org.freemarker</groupId>
 						<artifactId>freemarker</artifactId>
-						<version>2.3.33</version>
+						<version>2.3.34</version>
 					</dependency>
 				</dependencies>
 				<executions>

flink-table/flink-sql-parser/pom.xml

@@ -262,7 +262,7 @@ under the License.
 					<dependency>
 						<groupId>org.freemarker</groupId>
 						<artifactId>freemarker</artifactId>
-						<version>2.3.33</version>
+						<version>2.3.34</version>
 					</dependency>
 				</dependencies>
 				<executions>