Chore/extendr 0.7.0 support #907

Job	Run time
build (ubuntu-20.04, x86_64-unknown-linux-gnu)	8m 35s
build (ubuntu-20.04, aarch64-unknown-linux-gnu)	9m 5s
build (macos-14, x86_64-apple-darwin)	8m 33s
build (macos-14, aarch64-apple-darwin)	13m 23s
build (windows-latest, x86_64-pc-windows-gnu)	17m 12s
test (macos-12, release)	2m 55s
test (macos-14, release)	2m 2s
test (windows-latest, oldrel-1)	7m 28s
test (windows-latest, release)	3m 56s
test (ubuntu-latest, oldrel-1)	3m 8s
test (ubuntu-latest, release)	2m 52s
test (ubuntu-latest, devel)	13m 20s
merge	35s
release	0s
	1h 33m 4s

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