GitLab

* [ci] [swig] move SWIG jobs to GitHub Actions

* set compiler for Windows jobs

* skip conda setup on jobs that do not need it

* fix BUILD_DIRECTORY, add uploads

* fix more variables

* ensure artifact-upload directory actually exists

* more fixes

* set CONDA

* fix powershell env variable check, add conda to path for linux and macos

* fix comment

* remove AZURE env variable

* use absolute path

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

* create directory unconditionally

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

* Update .appveyor.yml

* Update .appveyor.yml

* Update test_arrow.py

* Update test_arrow.py

* Update .appveyor.yml

* Update test_arrow.py

* [ci] [C++] drop support for Visual Studio 2015 (fixes #6803)

* update more references

* [ci] some additional changes to drop VS2015 and make it work from solution file (#7046)

* Update LightGBM.vcxproj

* Update LightGBM.vcxproj.filters

* Update Installation-Guide.rst

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

* [ci] Drop support for Python 3.7 and Python 3.8

* Fix

* Bump numpy

* Fix

* fix comment, revert unrelated quoting changes

* add docs

---------
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>
Co-authored-by: James Lamb <jaylamb20@gmail.com>

* bump development version to v4.6.0.99

* Auto-update configure

* Update python-package/pyproject.toml

---------
Co-authored-by: GitHub Actions Bot <githubactionsbot@users.noreply.github.com>

Co-authored-by: shiyu1994 <shiyu_k1994@qq.com>
Co-authored-by: GitHub Actions Bot <githubactionsbot@users.noreply.github.com>

* Auto-update configure
Co-authored-by: GitHub Actions Bot <githubactionsbot@users.noreply.github.com>

* Update .appveyor.yml

* Update .vsts-ci.yml

* Update setup.py

* Update cuda.yml

* Update static_analysis.yml

* Update linkchecker.yml

* Update .appveyor.yml

* Update .vsts-ci.yml

* Update python_package.yml

* Update .vsts-ci.yml

* Update python_package.yml

* Update cuda.yml

* Update static_analysis.yml

* Update linkchecker.yml

* Update .vsts-ci.yml

* Update .appveyor.yml

* re-arange Python version

* Update dockerfile-python

* Update README.md

* Update dockerfile.gpu

* Update dockerfile.gpu

* Update .vsts-ci.yml

* Update .appveyor.yml

* Update test_windows.ps1

* Update .appveyor.yml

* Update VERSION.txt

* Update cran-comments.md

* Auto-update configure
Co-authored-by: GitHub Actions Bot <githubactionsbot@users.noreply.github.com>

* Update .appveyor.yml

* Update .vsts-ci.yml

* Update python_package.yml

* Update setup.py

* Update test.sh

* Update _pkgdown.yml

* Update .appveyor.yml

* Update VERSION.txt

* Auto-update configure
Co-authored-by: GitHub Actions Bot <githubactionsbot@users.noreply.github.com>

* release v3.3.1

* update cran-comments

* Auto-update configure
Co-authored-by: GitHub Actions Bot <githubactionsbot@users.noreply.github.com>
Co-authored-by: Nikita Titov <nekit94-12@hotmail.com>

* Update .appveyor.yml

* Update VERSION.txt

* Auto-update configure
Co-authored-by: GitHub Actions Bot <githubactionsbot@users.noreply.github.com>

* v3.3.0 release

* Auto-update configure

* Update R-package/DESCRIPTION
Co-authored-by: GitHub Actions Bot <githubactionsbot@users.noreply.github.com>
Co-authored-by: Nikita Titov <nekit94-12@hotmail.com>

* Bump version for development

* Auto-update configure
Co-authored-by: GitHub Actions Bot <githubactionsbot@users.noreply.github.com>

* v3.2.1 release

* Auto-update configure
Co-authored-by: GitHub Actions Bot <githubactionsbot@users.noreply.github.com>

* Update .appveyor.yml

* Update cran-comments.md

* Update VERSION.txt

* update configure
Co-authored-by: James Lamb <jaylamb20@gmail.com>

* Update VERSION.txt

* update appveyor.yml and configure

* fix Appveyor builds
Co-authored-by: James Lamb <jaylamb20@gmail.com>
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>
Co-authored-by: StrikerRUS <nekit94-12@hotmail.com>