chore(r/adbcsnowflake): Add application name to Snowflake driver #149

Job	Run time
check (macOS, adbcdrivermanager) / r-check	2m 34s
check (macOS, adbcflightsql) / r-check	4m 11s
check (macOS, adbcpostgresql) / r-check	3m 13s
check (macOS, adbcsnowflake) / r-check	3m 12s
check (macOS, adbcsqlite) / r-check	2m 16s
check (ubuntu, adbcdrivermanager) / r-check	2m 0s
check (ubuntu, adbcflightsql) / r-check	4m 21s
check (ubuntu, adbcpostgresql) / r-check	2m 30s
check (ubuntu, adbcsnowflake) / r-check	3m 31s
check (ubuntu, adbcsqlite) / r-check	2m 11s
check (windows, adbcpostgresql) / r-check	9m 6s
check (windows, adbcsnowflake) / r-check	12m 9s
check (windows, adbcsqlite) / r-check	5m 46s
check (windows, adbcdrivermanager) / r-check	8m 7s
check (windows, adbcflightsql) / r-check	6m 34s
	1h 11m 41s

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