Add `secure` field to ClickHouse connection config #3596

Job	Run time
test-dbt-versions (1.8)	1m 46s
test-dbt-versions (1.5)	1m 33s
test-dbt-versions (1.3)	1m 50s
test-dbt-versions (1.9)	1m 46s
test-dbt-versions (1.4)	1m 34s
changes	8s
test-dbt-versions (1.7)	1m 33s
test-dbt-versions (1.10)	1m 55s
test-dbt-versions (1.6)	1m 42s
test-vscode-e2e	-1s
test-vscode	-1s
style-and-cicd-tests (3.11)	23m 45s
style-and-cicd-tests (3.12)	25m 18s
style-and-cicd-tests (3.13)	21m 57s
style-and-cicd-tests (3.10)	24m 36s
engine-tests-docker (spark)	5m 20s
migration-test	1m 38s
engine-tests-docker (clickhouse)	2m 50s
engine-tests-docker (trino)	7m 31s
engine-tests-docker (mssql)	1m 54s
doc-tests	36s
engine-tests-docker (risingwave)	2m 40s
engine-tests-docker (duckdb)	1m 37s
engine-tests-docker (postgres)	2m 9s
cicd-tests-windows	11m 45s
engine-tests-docker (mysql)	1m 38s
style-and-cicd-tests (3.9)	22m 59s
ui-test	0s
ui-style	0s
engine-tests-cloud	0s
	2h 51m 58s

Provide feedback