Investigate on the differences of results between testing platforms

[ErwanDemairy]

There is a discrepancy between the results of the tests: https://github.com/bifurcationkit/BifurcationKit.jl/actions/runs/20333033183/job/58412680037

macos-15-intel

...
=== gmres ===
rest	iter	resnorm
  1	  1	1.55e-02
  1	  2	3.15e-03
  1	  3	2.03e-04
  1	  4	5.70e-18

=== gmres ===
rest	iter	resnorm
  1	  1	2.26e-01
  1	  2	5.71e-02
  1	  3	5.10e-03
  1	  4	1.30e-04
  1	  5	2.38e-16
...

macos arm64

...
=== gmres ===
rest	iter	resnorm
  1	  1	1.05e-01
  1	  2	9.71e-03
  1	  3	1.03e-03
  1	  4	1.51e-16

=== gmres ===
rest	iter	resnorm
  1	  1	1.55e-02
  1	  2	3.15e-03
  1	  3	2.03e-04
  1	  4	5.31e-18
...

ubuntu

...
=== gmres ===
rest	iter	resnorm
  1	  1	1.55e-02
  1	  2	3.15e-03
  1	  3	2.03e-04
  1	  4	4.99e-18

=== gmres ===
rest	iter	resnorm
  1	  1	2.26e-01
  1	  2	5.71e-02
  1	  3	5.10e-03
  1	  4	1.30e-04
  1	  5	2.16e-16
...

[ErwanDemairy]

The results are different on each computer, independently of architecture.