Update python-sat requirement from ~=1.8.dev19 to ~=1.8.dev20 in /scripts/nb-tester (#3808)

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scripts/nb-tester/requirements.txt

@@ -17,7 +17,7 @@ qiskit-experiments~=0.12.0
 scipy~=1.16.1
 scikit-learn~=1.7.2
 pyscf~=2.10.0; sys.platform != 'win32'
-python-sat~=1.8.dev19
+python-sat~=1.8.dev20
 gem-suite~=0.1.6
 ffsim~=0.0.58; sys.platform != 'win32'
 sympy~=1.14.0