tr_solve_upper_triangular proptest failure

[CAD97]

https://github.com/dimforge/nalgebra/actions/runs/7510131218/job/20448144670?pr=1349#step:3:788

proptest: Saving this and future failures in /home/runner/work/nalgebra/nalgebra/proptest-regressions/linalg/solve.txt
proptest: If this test was run on a CI system, you may wish to add the following line to your copy of the file. (You may need to create it.)
cc f7fc4c7afdd1e3b7ed7362292ba6794e348cc528087d076602532770afebb6cb
thread 'linalg::solve::f64::tr_solve_upper_triangular' panicked at tests/linalg/solve.rs:66:1:
Test failed: assertion failed: relative_eq!(tri.transpose() * x, b, epsilon = 1.0e-7) at tests/linalg/solve.rs:66.
minimal failing input: a = [
    [
        0.0,
        0.0,
        0.0,
        0.0,
    ],
    [
        81.99902460164981,
        0.9449239860549895,
        0.0,
        0.0,
    ],
    [
        0.0,
        -27.547241340574327,
        -0.0019367092613586242,
        0.0,
    ],
    [
        -72.19421099008603,
        0.0,
        28.60568201872311,
        -22.546587049471057,
    ],
], b = [
    [
        0.0,
        0.0,
        0.0,
        0.0,
    ],
    [
        0.0,
        0.0,
        0.0,
        0.0,
    ],
    [
        0.0,
        0.0,
        0.0,
        0.0,
    ],
    [
        0.0,
        0.0,
        0.0,
        0.0,
    ],
    [
        -25.13116025311182,
        -2.469444853398943,
        -52.87323360581658,
        -41.87241868276314,
    ],
]
	successes: 166
	local rejects: 0
	global rejects: 0