Add `secure` field to ClickHouse connection config #3591

Job	Run time
changes	7s
test-vscode	22s
test-dbt-versions (1.9)	1m 50s
test-dbt-versions (1.7)	2m 2s
test-dbt-versions (1.5)	1m 21s
test-dbt-versions (1.6)	1m 41s
test-dbt-versions (1.10)	1m 49s
test-dbt-versions (1.3)	1m 53s
test-dbt-versions (1.4)	1m 46s
test-dbt-versions (1.8)	1m 44s
test-vscode-e2e	0s
cicd-tests-windows	12m 2s
migration-test	1m 34s
doc-tests	37s
style-and-cicd-tests (3.10)	23m 13s
style-and-cicd-tests (3.12)	23m 53s
style-and-cicd-tests (3.13)	20m 10s
style-and-cicd-tests (3.11)	24m 6s
style-and-cicd-tests (3.9)	24m 28s
engine-tests-docker (duckdb)	1m 49s
engine-tests-docker (mysql)	1m 47s
engine-tests-docker (trino)	8m 45s
engine-tests-docker (spark)	5m 25s
engine-tests-docker (clickhouse)	2m 57s
engine-tests-docker (mssql)	1m 56s
engine-tests-docker (postgres)	2m 22s
engine-tests-docker (risingwave)	2m 34s
ui-test	0s
ui-style	0s
engine-tests-cloud	0s
	2h 52m 13s

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