Increase pool size (#56)

Author: eivanov89

jdbc/spring-test-db/src/main/resources/application.properties

@@ -3,4 +3,6 @@ spring.jpa.properties.hibernate.dialect=tech.ydb.hibernate.dialect.YdbDialect
 spring.datasource.driver-class-name=tech.ydb.jdbc.YdbDriver
 spring.datasource.url=jdbc:ydb:grpc://localhost:2136/local
 
-workers.count=100
+workers.count=100
+spring.datasource.hikari.maximum-pool-size=200
+spring.datasource.hikari.minimum-idle=100