Merge pull request #228744 from sheepforce/fix-pyscf

pyscf: disable test that is numerically slightly off

pkgs/development/python-modules/pyscf/default.nix

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       -e test_finite_diff_uks_eph \
       -e test_pipek \
       -e test_n3_cis_ewald \
+      -e test_veff \
       -I test_kuccsd_supercell_vs_kpts\.py \
       -I test_kccsd_ghf\.py \
       -I test_h_.*\.py \