[CI] `test-sheet-10` fails intermittently on macOS intel

[iamazeem]

Failing workflow: https://github.com/liquidaty/zsv/actions/runs/19498213970/job/55805661457?pr=491

test-sheet-10: 
test-sheet-10-indexed took 0.27
test-sheet-10-filtered took 0.72
Incorrect output:
Row #     Country   City      AccentCit Region    Populatio Latitude  Longitude
999990    gb        rutlandsh Rutlandsh L4                  52.666667 -.666667
999991    gb        rutupiae  Rutupiæ   G5                  51.283333 1.333333
999992    lv        briezucie Briezucie 03                  56.95     27.583333
999996    gw        quenem    Quenem    04                  12.228333 -15.64444
(493039 filtered rows) 999996
Expected output:
Row #     Country   City      AccentCit Region    Populatio Latitude  Longitude
999991    gb        rutupiae  Rutupiæ   G5                  51.283333 1.333333
999992    lv        briezucie Briezucie 03                  56.95     27.583333
999996    gw        quenem    Quenem    04                  12.228333 -15.64444
999999    gb        ryde      Ryde      G2        24107     50.716667 -1.166667
(493039 filtered rows) 999999
cmp /Users/runner/work/zsv/zsv/tmp/test-sheet-10.out expected/test-sheet-10.out
/Users/runner/work/zsv/zsv/tmp/test-sheet-10.out expected/test-sheet-10.out differ: char 86, line 2
test-sheet-10: Failed!
make[2]: *** [test-sheet-10] Error 1
make[1]: *** [test-standalone] Error 2
make: *** [test] Error 2

Rerunning the CI workflow succeeds.
Looks like an issue with the screen buffer update within timeout.
Created this issue to document it and take a look at it later.

---

UPDATE 20251121

Failing workflow: https://github.com/liquidaty/zsv/actions/runs/19560581770/job/56012741146

test-sheet-10: 
test-sheet-10-indexed took 0.37
test-sheet-10-filtered took 0.82
Incorrect output:
Row #     Country   City      AccentCit Region    Populatio Latitude  Longitude
999990    gb        rutlandsh Rutlandsh L4                  52.666667 -.666667
999991    gb        rutupiae  Rutupiæ   G5                  51.283333 1.333333
999992    lv        briezucie Briezucie 03                  56.95     27.583333
999996    gw        quenem    Quenem    04                  12.228333 -15.64444
(493039 filtered rows) 999996
Expected output:
Row #     Country   City      AccentCit Region    Populatio Latitude  Longitude
999991    gb        rutupiae  Rutupiæ   G5                  51.283333 1.333333
999992    lv        briezucie Briezucie 03                  56.95     27.583333
999996    gw        quenem    Quenem    04                  12.228333 -15.64444
999999    gb        ryde      Ryde      G2        24107     50.716667 -1.166667
(493039 filtered rows) 999999
cmp /Users/runner/work/zsv/zsv/tmp/test-sheet-10.out expected/test-sheet-10.out
/Users/runner/work/zsv/zsv/tmp/test-sheet-10.out expected/test-sheet-10.out differ: char 86, line 2
test-sheet-10: Failed!
make[2]: *** [test-sheet-10] Error 1
make[1]: *** [test-standalone] Error 2