GitLab

* [ci]: Bump actions/checkout from 1 to 4 in the ci-dependencies group

Bumps the ci-dependencies group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `actions/checkout` from 1 to 4
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v1...v4

)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: ci-dependencies
...
Signed-off-by: dependabot[bot] <support@github.com>

* downgrade a few

---------
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: James Lamb <jaylamb20@gmail.com>

* [ci] fix git checkout for comment-triggered CI jobs

* set locale prior to installing packages

* comment out cuda

* change strategy for setting locale

* comment out R jobs

* comment out more CI jobs

* update locales before installing other packages

* remove unnecessary packages

* add libc6 back

* restore libicu and libssl

* Revert "comment out more CI jobs"

This reverts commit 8fd92144ad1dafc33ae699d7c3e159d8846e41b2.

* uncomment CI jobs

* revert more changes

* more reverting

* remove r_package.yml from diff

* [ci] use wch1/r-debug image in Solaris tests

* no git in valgrind tests

* [ci] upgrade actions/checkout to v2.4.0

* re-create GITHUB_WORKSPACE

* dont update cuda

* actually revert cuda

* [ci] move Solaris and valgrind test steps into scripts

* Update .github/workflows/r_solaris.yml
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* relatiev paths
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* [ci] parallelize R package installs in CI jobs

* build 2

* build 3

* add ncpus in static_analysis

* improve experience with optional GitHub workflows

* Update README.md

* Update r_artifacts.yml

* Update optional_checks.yml

* continue

* Update triggering_comments.yml

* Update README.md

* Update r_artifacts.yml

* Update r_artifacts.yml

* Update r_artifacts.yml

* Update r_valgrind.yml

* Update r_artifacts.yml

* Update r_valgrind.yml

* Update r_valgrind.yml

* Update r_valgrind.yml

* add docstrings to fix lint

* better formatting for multi-line commands

* [ci] upgrade GitHub Actions third-party actions to newest versions

* add git to sanitizers container

* install git before checkout

* Update .github/workflows/r_package.yml
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* fix int64 write error

* attempt

* [WIP] [ci] [R-package] Add CI job that runs valgrind tests

* update all-successful

* install

* executable

* fix redirect stuff

* Apply suggestions from code review
Co-authored-by: Guolin Ke <guolin.ke@outlook.com>

* more flags

* add mc to msvc proj

* fix memory leak in mc

* Update monotone_constraints.hpp

* Update r_package.yml

* remove R_INT64_PTR

* disable openmp

* Update gbdt_model_text.cpp

* Update gbdt_model_text.cpp

* Apply suggestions from code review

* try to free vector

* free more memories.

* Update src/boosting/gbdt_model_text.cpp

* fix using

* try the UNPROTECT(1);

* fix a const pointer

* fix Common

* reduce UNPROTECT

* remove UNPROTECT(1);

* fix null handle

* fix predictor

* use NULL after free

* fix a leaking in test

* try more fixes

* test the effect of tests

* throw exception in Fatal

* add test back

* Apply suggestions from code review

* commet some tests

* Apply suggestions from code review

* Apply suggestions from code review

* trying to comment out tests

* Update openmp_wrapper.h

* Apply suggestions from code review

* Update configure

* Update configure.ac

* trying to uncomment

* more comments

* more uncommenting

* more uncommenting

* fix comment

* more uncommenting

* uncomment fully-commented out stuff

* try uncommenting more dataset tests

* uncommenting more tests

* ok getting closer

* more uncommenting

* free dataset

* skipping a test, more uncommenting

* more skipping

* re-enable OpenMP

* allow on OpenMP thing

* move valgrind to comment-only job

* Apply suggestions from code review
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* changes from code review

* Apply suggestions from code review
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* linting

* issue comments too

* remove issue_comment
Co-authored-by: Guolin Ke <guolin.ke@outlook.com>
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>