[ASTERIXDB-3039][EXT]: Add support to reading Parquet from GCS external store

Change-Id: I77b70c829262c7e10f4743dbe63f45fa8d249ba8
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/16463
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Hussain Towaileb <hussainht@gmail.com>
Reviewed-by: Murtadha Hubail <mhubail@apache.org>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
diff --git a/asterixdb/asterix-external-data/pom.xml b/asterixdb/asterix-external-data/pom.xml
index dbb2382..abc8c6c 100644
--- a/asterixdb/asterix-external-data/pom.xml
+++ b/asterixdb/asterix-external-data/pom.xml
@@ -518,6 +518,10 @@
         </exclusion>
       </exclusions>
     </dependency>
+    <dependency>
+      <groupId>com.google.cloud.bigdataoss</groupId>
+      <artifactId>gcs-connector</artifactId>
+    </dependency>
     <!-- apply patch for HADOOP-17225 to workaround CVE-2019-10172 -->
     <dependency>
       <groupId>org.codehaus.jackson</groupId>