Timeout on `GPGraph` construction in `GreedyPauliSimp` #6298

Job	Run time
Check tket library version	15s
Build and test pytket (windows)	2m 53s
Build and test pytket (macos) (macos-13)	2m 4s
Build and test pytket (ubuntu)	3m 6s
Build and test pytket (macos) (macos-15)	2m 27s
Build and test (tket) (ubuntu-24.04)	1m 15s
Build and test (tket) (macos-13)	1m 36s
Build and test (tket) (windows-2022)	2m 11s
Build and test (tket) (macos-15)	1m 9s
Check documentation build	53s
Check C++ code formatting	24s
Check pytket line and branch coverage	1s
Publish pytket coverage	1s
All build and test jobs successful (or skipped)	1s
	18m 16s

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