Add Hurl smoke tests for examples #2452

Job	Run time
docker_build (linux/arm64, minimal)	10m 56s
compile_and_lint	1m 41s
test (postgres, postgres, postgres://root:Password123!@127.0.0.1/sqlpage)	2m 12s
test (mysql, mysql, mysql://root:Password123!@127.0.0.1/sqlpage)	1m 36s
windows_test	4m 6s
docker_build (linux/amd64, minimal)	9m 29s
docker_build (linux/arm/v7, minimal)	11m 37s
test (odbc, postgres, Driver=PostgreSQL Unicode;Server=127.0.0.1;Port=5432;Database=sqlpage;UID=r...	1m 53s
docker_build (linux/arm64, duckdb)	10m 21s
test (mssql, mssql, mssql://root:Password123!@127.0.0.1/sqlpage)	2m 6s
test (oracle, oracle, Driver=Oracle 21 ODBC driver;Dbq=//127.0.0.1:1521/FREEPDB1;Uid=root;Pwd=Pas...	2m 54s
docker_build (linux/amd64, duckdb)	9m 25s
docker_push	0s
	1h 8m 16s

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