Add ruff as GH actions step #491

Job	Run time
Lint	32s
Tests (3.9, git+https://github.com/pastas/[email protected])	1m 49s
Tests (3.9, git+https://github.com/pastas/[email protected])	1m 50s
Tests (3.9, git+https://github.com/pastas/[email protected])	1m 56s
Tests (3.9, git+https://github.com/pastas/[email protected])	3m 0s
Tests (3.9, git+https://github.com/pastas/pastas.git@dev)	3m 6s
Tests (3.10, git+https://github.com/pastas/[email protected])	1m 45s
Tests (3.10, git+https://github.com/pastas/[email protected])	1m 58s
Tests (3.10, git+https://github.com/pastas/[email protected])	1m 48s
Tests (3.10, git+https://github.com/pastas/[email protected])	2m 50s
Tests (3.10, git+https://github.com/pastas/pastas.git@dev)	2m 48s
Tests (3.11, git+https://github.com/pastas/[email protected])	1m 50s
Tests (3.11, git+https://github.com/pastas/[email protected])	1m 54s
Tests (3.11, git+https://github.com/pastas/[email protected])	1m 47s
Tests (3.11, git+https://github.com/pastas/[email protected])	2m 47s
Tests (3.11, git+https://github.com/pastas/pastas.git@dev)	2m 46s
	34m 26s

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