IMPALA-11554: Bump ORC Java version to 1.7.6

This bumps the ORC java version to be 1.7.6 so it's consistent with the
C++ version (1.7.0-p14) used in BE.

Change-Id: I9caa01889de674747137a541a8ce8946f6ac1668
Reviewed-on: http://gerrit.cloudera.org:8080/18942
Reviewed-by: Wenzhe Zhou <wzhou@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>

bin/impala-config.sh

@@ -223,7 +223,7 @@ export ARCH_NAME=$(uname -p)
 
 export IMPALA_HUDI_VERSION=0.5.0-incubating
 export IMPALA_KITE_VERSION=1.1.0
-export IMPALA_ORC_JAVA_VERSION=1.6.2
+export IMPALA_ORC_JAVA_VERSION=1.7.6
 export IMPALA_COS_VERSION=3.1.0-5.9.3
 
 # When IMPALA_(CDP_COMPONENT)_URL are overridden, they may contain '$(platform_label)'