Bump org.firebirdsql.jdbc:jaybird from 5.0.2.java8 to 5.0.3.java8 #256

Job	Run time
Database Integration Tests (oracle)	10m 35s
Database Integration Tests (sqlserver)	8m 16s
Database Integration Tests (postgresql)	7m 5s
Database Integration Tests (mysql)	8m 11s
Database Integration Tests (db2)	9m 43s
Database Integration Tests (mariadb)	6m 15s
Database Integration Tests (cassandra)	8m 18s
Database Integration Tests (cockroachdb)	5m 52s
Database Integration Tests (firebird)	7m 17s
Database Integration Tests (informix)	6m 47s
Database Integration Tests (trino)	8m 56s
	1h 27m 15s

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