fix(format): keep MODEL/AUDIT/METRIC header dialect-agnostic (#5773) #3870

Job	Run time
changes	5s
test-dbt-versions (1.5)	1m 35s
test-dbt-versions (1.4)	1m 44s
test-dbt-versions (1.6)	1m 38s
test-dbt-versions (1.10)	1m 41s
test-dbt-versions (1.7)	1m 49s
test-dbt-versions (1.8)	1m 42s
test-dbt-versions (1.9)	1m 42s
test-dbt-versions (1.3)	1m 55s
test-vscode	-7s
cicd-tests-windows	12m 4s
doc-tests	31s
style-and-cicd-tests (3.12)	24m 5s
style-and-cicd-tests (3.13)	20m 48s
style-and-cicd-tests (3.9)	23m 1s
migration-test	1m 35s
style-and-cicd-tests (3.11)	22m 35s
style-and-cicd-tests (3.10)	25m 9s
engine-tests-docker (postgres)	3m 3s
engine-tests-docker (mysql)	1m 40s
engine-tests-docker (spark)	5m 24s
engine-tests-docker (starrocks)	3m 20s
engine-tests-docker (duckdb)	1m 31s
engine-tests-docker (clickhouse)	2m 46s
engine-tests-docker (risingwave)	2m 36s
engine-tests-docker (trino)	8m 45s
engine-tests-docker (mssql)	1m 39s
ui-test	0s
ui-style	-1s
test-vscode-e2e	-10s
engine-tests-cloud	0s
	2h 54m 5s

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