CI: test_jacobi_svd: Reduce dim from 100 to 30

Author: Lucas-Haubert

tests/test_jacobi_svd.py

@@ -29,7 +29,7 @@
 @pytest.mark.parametrize("cls", _classes)
 @pytest.mark.parametrize("options", _options)
 def test_jacobi(cls, options):
-    dim = 100
+    dim = 30
     rng = np.random.default_rng()
     A = rng.random((dim, dim))
     A = (A + A.T) * 0.5 + np.diag(10.0 + rng.random(dim))