Default to not upgrade other packages in installation instructions

Commit 65488a4bac pushed by Ecosystemmain

Workflow R-CMD-check.yaml

ubuntu-latest (devel)

0s

macos-latest (release)

0s

ubuntu-latest (oldrel-1)

0s

ubuntu-latest (release)

0s

windows-latest (release)

0s

ubuntu-latest (devel)

Canceled