bump pg_graphql to v0.2.1 (#188)

Author: olirice

ansible/vars.yml

@@ -97,7 +97,7 @@ pgsodium_release_checksum: sha1:b6ef733c9bbae590c1eee676fd0a97fd129893e0
 
 libgraphqlparser_release: "v0.7.0"
 
-pg_graphql_release: "v0.2.0"
+pg_graphql_release: "v0.2.1"
 
 osquery_deb: 'https://pkg.osquery.io/deb/osquery_5.1.0-1.linux_arm64.deb'
 osquery_deb_checksum: sha1:6b6fa49edcfad5d77aa1e59c75b8708de2f634ac