Fix connection options initialization #1173

Job	Run time
CI (ubuntu-latest, 11, DB2-11.5) / Run tests	16m 41s
CI (ubuntu-latest, 11, MSSQL-2017-latest) / Run tests	1m 33s
CI (ubuntu-latest, 11, MariaDB-10.4) / Run tests	2m 9s
CI (ubuntu-latest, 11, MSSQL-2019-latest) / Run tests	1m 34s
CI (ubuntu-latest, 11, MySQL-5.7) / Run tests	2m 9s
CI (ubuntu-latest, 11, MySQL-5.6) / Run tests	2m 2s
CI (ubuntu-latest, 11, MySQL-8.0) / Run tests	2m 5s
CI (ubuntu-latest, 11, PostgreSQL-10) / Run tests	4m 3s
CI (ubuntu-latest, 11, PostgreSQL-11) / Run tests	3m 47s
CI (ubuntu-latest, 11, PostgreSQL-9) / Run tests	4m 4s
CI (ubuntu-latest, 11, SQL-templates) / Run tests	5m 48s
CI (ubuntu-latest, 21, MariaDB-10.4) / Run tests	2m 6s
CI (ubuntu-latest, 21, MSSQL-2019-latest) / Run tests	1m 33s
CI (ubuntu-latest, 21, MySQL-5.7) / Run tests	2m 4s
CI (ubuntu-latest, 21, Oracle-23) / Run tests	2m 0s
CI (ubuntu-latest, 21, PostgreSQL-11) / Run tests	3m 45s
Deploy to OSSRH	0s
	57m 23s

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