fix: interval macro unit (#5829) #3703

Job	Run time
changes	6s
test-dbt-versions (1.8)	1m 39s
test-dbt-versions (1.4)	1m 26s
test-dbt-versions (1.3)	1m 43s
test-dbt-versions (1.10)	1m 47s
test-dbt-versions (1.9)	1m 51s
test-dbt-versions (1.7)	1m 39s
test-dbt-versions (1.5)	1m 38s
test-dbt-versions (1.6)	1m 38s
test-vscode	0s
test-vscode-e2e	0s
ui-test	1m 22s
style-and-cicd-tests (3.9)	23m 21s
cicd-tests-windows	10m 13s
style-and-cicd-tests (3.11)	22m 26s
style-and-cicd-tests (3.12)	24m 7s
style-and-cicd-tests (3.13)	22m 28s
migration-test	1m 26s
engine-tests-docker (postgres)	2m 21s
engine-tests-docker (trino)	8m 40s
doc-tests	30s
engine-tests-docker (mysql)	1m 39s
engine-tests-docker (spark)	5m 8s
style-and-cicd-tests (3.10)	24m 31s
engine-tests-docker (risingwave)	3m 19s
engine-tests-docker (mssql)	1m 57s
engine-tests-docker (duckdb)	1m 37s
engine-tests-docker (clickhouse)	3m 4s
ui-style	0s
engine-tests-cloud (clickhouse-cloud)	14m 27s
engine-tests-cloud (bigquery)	16m 16s
engine-tests-cloud (snowflake)	8m 30s
engine-tests-cloud (athena)	24m 30s
engine-tests-cloud (gcp-postgres)	2m 40s
engine-tests-cloud (redshift)	7m 31s
engine-tests-cloud (databricks)	11m 56s
engine-tests-cloud (fabric)	5m 15s
	4h 22m 41s

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