[setup-tinytex]: fix version number format in README

Closes r-lib#505.

[ci skip]

[setup-tinytex]: fix version number format in README

Closes r-lib#505.

[ci skip]

Merge pull request r-lib#504 from nealrichardson/rtools-path

Another cache key try

Test workflow for setup-tinytex

[setup-r]: force HTTP/1.1 for pak/pkgcache

Fix README typo

Closes r-lib#479.

[setup-r] Switch path order for win R-devel

So that ucrt comes before mingw.

check-r-package does not print environment now

r-lib@70e6204#r63431482

Update test workflow