feat(r): Add R BigQuery driver wrapper (#2235) #438

Job	Run time
check (macOS, adbcbigquery) / r-check	2m 18s
check (macOS, adbcdrivermanager) / r-check	1m 42s
check (macOS, adbcflightsql) / r-check	3m 13s
check (macOS, adbcpostgresql) / r-check	1m 51s
check (macOS, adbcsnowflake) / r-check	2m 22s
check (macOS, adbcsqlite) / r-check	1m 50s
check (ubuntu, adbcbigquery) / r-check	3m 12s
check (ubuntu, adbcdrivermanager) / r-check	2m 47s
check (ubuntu, adbcflightsql) / r-check	4m 30s
check (ubuntu, adbcpostgresql) / r-check	3m 29s
check (ubuntu, adbcsnowflake) / r-check	4m 18s
check (ubuntu, adbcsqlite) / r-check	3m 4s
check (windows, adbcbigquery) / r-check	7m 58s
check (windows, adbcdrivermanager) / r-check	4m 3s
check (windows, adbcflightsql) / r-check	7m 17s
check (windows, adbcpostgresql) / r-check	5m 55s
check (windows, adbcsnowflake) / r-check	7m 49s
check (windows, adbcsqlite) / r-check	4m 3s
	1h 11m 41s

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