Fix ci-daily pytest failure

[pavoljuhas]

• Fix requirements installation for Windows
• Run notebook tests only on Linux platform
• Run test_isolated_packages on POSIX platforms only

Temporary workaround for #6336

[pavoljuhas]

Ref: failed ci-daily run https://github.com/quantumlib/Cirq/actions/runs/6700241980

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (34e8dab) 97.83% compared to head (50e5ce1) 97.83%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #6335   +/-   ##
=======================================
  Coverage   97.83%   97.83%           
=======================================
  Files        1108     1108           
  Lines       96240    96266   +26     
=======================================
+ Hits        94157    94184   +27     
+ Misses       2083     2082    -1     

Files	Coverage Δ
cirq-ft/cirq_ft/algos/and_gate_test.py	100.00% <100.00%> (ø)
...-ft/cirq_ft/algos/apply_gate_to_lth_target_test.py	100.00% <100.00%> (ø)
cirq-ft/cirq_ft/algos/generic_select_test.py	100.00% <100.00%> (ø)
cirq-ft/cirq_ft/algos/hubbard_model_test.py	100.00% <100.00%> (ø)
cirq-ft/cirq_ft/algos/qrom_test.py	100.00% <100.00%> (ø)
...t/cirq_ft/algos/qubitization_walk_operator_test.py	70.37% <100.00%> (+0.75%)	⬆️
cirq-ft/cirq_ft/algos/state_preparation_test.py	100.00% <100.00%> (ø)
cirq-ft/cirq_ft/algos/swap_network_test.py	100.00% <100.00%> (ø)
cirq-ft/cirq_ft/algos/unary_iteration_gate_test.py	100.00% <100.00%> (ø)
cirq-ft/cirq_ft/infra/gate_with_registers_test.py	100.00% <100.00%> (ø)
... and 3 more

... and 1 file with indirect coverage changes

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[pavoljuhas]

Note: ci-daily passed for this PR at https://github.com/quantumlib/Cirq/actions/runs/6712280403