Add tmate

[github-actions[bot]]

MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	1		0	0.1s
✅ CREDENTIALS	secretlint	yes		no	0.93s
✅ GIT	git_diff	yes		no	0.01s
✅ SPELL	misspell	1		0	0.05s
✅ YAML	prettier	1		0	0.53s
✅ YAML	yamllint	1		0	0.15s

See errors details in artifact MegaLinter reports on CI Job page _Set VALIDATE_ALL_CODEBASE: true in mega-linter.yml to validate all sources, not only the diff_