Add indexes on domainRepoId to DomainHistoryHost and PollMessage (#2380)

* Add index for domainRepoId to PollMessage and DomainHistoryHost

* Add flyway fix for Concurrent

* fix gradle.properties

* Modify lockfiles

* Update the release tool and add IF NOT EXISTS

* Test removing transactional lock from deploy script

* Add transactional lock flag to actual flyway commands in script

* Remove flag from info command

* Add configuration for integration test

release/schema-deployer/deploy_sql_schema.sh

@@ -78,7 +78,8 @@ if ! pgrep cloud_sql_proxy; then
   exit 1
 fi
 
-/flyway/flyway -community -user=${db_user} -password=${db_password} \
+/flyway/flyway -postgresql.transactional.lock=false -community \
+  -user=${db_user} -password=${db_password} \
   -url=jdbc:postgresql://localhost:5432/postgres \
   -locations=classpath:sql/flyway \
   ${flyway_action}