Update r-lib/actions action to v2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
r-lib/actions	action	major	v1 -> v2

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Release Notes

r-lib/actions

v2

Compare Source

Note that v2 is a sliding tag, and we introduce non-breaking changes to it.

v2.0.7 (2022-01-06)

• Simplified GitHub Pages deployment in the pkgdown example (#​468).

v2.0.6 (2022-01-05)

• [setup-r] does not add the ppa:cran/travis PPA on Ubuntu, as it is not needed any more. (@​jeroen, #​465)
• [setup-r] macOS R-devel builds use a more robust R download URL now (@​s-u, #​466).
• [setup-r-dependencies] now uses the correct cache key if working-directory is specified (@​harupy, #​471)

v2.0.5 (2021-12-17)

• [setup-r-dependencies] now works with older versions of the sessioninfo package.
  (This typically happens on older R versions and Windows or macOS, where pak prefers
  to install an older binary package to a newer source package, unless the newer package
  is needed.)

v2.0.4 (2021-12-16)

• [setup-r] and [setup-r-dependencies] now have better organized output
• [check-r-package] now prints all environment variables before the check.

v2.0.3 (2021-12-15)

• [setup-r] and [setup-r-dependencies] do not treat R version devel-ucrt specially any more,
  and it is equivalent to devel.

v2.0.2 (2021-12-14)

• [check-r-package] now sets the _R_CHECK_FORCE_SUGGESTS_=false environment variable,
  unless it was already set before to a non-empty value.

v2.0.1 (2021-12-13)

• [setup-r-dependencies] is now better at ignoring soft package dependencies that
  cannot be installed on the current R version. See more in the README here:
  https://github.com/r-lib/actions/tree/v2/setup-r-dependencies#ignoring-optional-dependencies-that-need-a-newer-r-version

v2.0.0 (2021-12-12)

Breaking changes from v1

• [check-r-package]: many parameters have a new format now, and they need
  to be legal R expressions.
• [setup-r] does not have a crayon.enabled parameter now. You can update
  .Rprofile manually to set options if you like, see example in the README.

New compared to v1

• [check-r-package] has a working-direcytory parameter now (#​393).
• [check-r-package] prints the testthat output, and uploads artifacts on failure
  now, no need to do these in the workflow file.
• [run-rchk] is now a more flexible composite action (@​randy3k, #​380, #​428).
• [setup-pandoc] now defaults to Pandoc version 2.14.2.
• [setup-r] more robust installation in macOS, hopefully the hangs are solved.
• [setup-r] now works on macOS Big Sur for older R versions (#​412).
• [setup-r-dependencies] has more robust dependency and system dependency lookup
  and installation (#​370, #​386, #​405, #​419, #​430, #​431, #​432, #​437).
• [setup-r-dependencies] automatically uses the UCRT versions of packages on UCRT R.
• [setup-r-dependencies] has a working-directory parameter now (#​393, #​438).
• [setup-r-dependencies] has a less conservative cache key now for R-devel (#​429).
• [setup-r-dependencies] now has a dependencies parameter to finetune which
  dependencies are installed (#​409).

Changes in example workflows from v1

• New example workflows, that work with the v2 tag.
• Example pkgdown workflow builds releases now (#​450).
• bookdown, blogdown and pkgdown examples now have workflow triggers to
  trigger a build manually.
• bookdown, blogdown and pkgdown examples now build on pull requests as
  well, without deploying (#​363).
• Check examples omit showing the testtat output and the artifact upload
  on error, these are done in the check-r-package action now.

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