fix: update env vars in hbase export script (#1261)

Author: razvan

hbase/hbase/stackable/bin/export-snapshot-to-s3.env

@@ -59,9 +59,9 @@ sed --in-place '/<\/configuration>/{
 
 # The HDFS JARs are not on the CLASSPATH when calling
 # `hbase snapshot export` which results in the error
-# 'No FileSystem for scheme "hdfs"'. Passsing the argument
+# 'No FileSystem for scheme "hdfs"'. Passing the argument
 # `--internal-classpath` solves this problem.
-/stackable/hbase-${HBASE_VERSION}-stackable${RELEASE}/bin/hbase \
+/stackable/hbase-${HBASE_VERSION}-stackable${RELEASE_VERSION}/bin/hbase \
     --config "$CONF_DIR" \
     --internal-classpath \
     snapshot export "$@"