chore(r/adbcsnowflake): Update adbcsnowflake such that it can be submitted to CRAN #33

Job	Run time
check (macOS, adbcpostgresql) / r-check	1m 38s
check (macOS, adbcdrivermanager) / r-check	24s
check (macOS, adbcflightsql) / r-check	21s
check (macOS, adbcsnowflake) / r-check	24s
check (macOS, adbcsqlite) / r-check	22s
check (ubuntu, adbcdrivermanager) / r-check	17s
check (ubuntu, adbcflightsql) / r-check	17s
check (ubuntu, adbcpostgresql) / r-check	18s
check (ubuntu, adbcsqlite) / r-check	18s
check (ubuntu, adbcsnowflake) / r-check	15s
check (windows, adbcflightsql) / r-check	21s
check (windows, adbcdrivermanager) / r-check	22s
check (windows, adbcpostgresql) / r-check	21s
check (windows, adbcsnowflake) / r-check	36s
check (windows, adbcsqlite) / r-check	20s
	6m 34s

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