* Github: unshallow on decontamination * Github: fix syntax * Github: decontaminate without full tree * Github: update decontaminate action in all workflows
* gh: use shallow clones whenever possible * gh: reverted submodule checks * gh: lint: joined linting scripts * gh: renamed linter workflow * check python linter output * gh: reworked linter * checking c linter * gh: merged submodule check & lint * gh: renamed step * gh: removed redundant `submodules: false` Co-authored-by: あく <alleteam@gmail.com>