rcc

rcc #1469

Job	Run time
Smoke test: stock R	4m 40s
windows-latest (release)	4m 0s
windows-latest (3.6)	12m 2s
pkgdown	3m 52s
macos-latest (release)	8m 26s
ubuntu-20.04 (release)	4m 40s
ubuntu-22.04 (devel)	3m 42s
ubuntu-22.04 (release) with covr	5m 35s
ubuntu-22.04 (oldrel-1)	3m 50s
ubuntu-22.04 (oldrel-2)	5m 7s
ubuntu-22.04 (oldrel-3)	3m 52s
ubuntu-22.04 (oldrel-4)	5m 31s
macOS-latest (release) mariadb_config	4m 52s
macOS-latest (release) mysql_config	10m 18s
ubuntu-22.04 (release) MySQL server + client	3m 39s
ubuntu-22.04 (release) MariaDB server, MySQL client	3m 53s
ubuntu-22.04 (release) MySQL server, MariaDB client	3m 47s
ubuntu-22.04 (release) MariaDB server + client	3m 53s
	1h 35m 39s

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