Bump org.apache.avro:avro from 1.8.2 to 1.11.4 in /spark-gremlin

Bumps org.apache.avro:avro from 1.8.2 to 1.11.4.

---
updated-dependencies:
- dependency-name: org.apache.avro:avro
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

spark-gremlin/pom.xml

@@ -231,7 +231,7 @@ limitations under the License.
         <dependency>
             <groupId>org.apache.avro</groupId>
             <artifactId>avro</artifactId>
-            <version>1.8.2</version>
+            <version>1.11.4</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.xerial.snappy</groupId>