Add `trials` and `threads` to `GreedyPauliSimp` #6180

Job	Run time
Check tket library version	28s
Build and test pytket (ubuntu)	7m 56s
Build and test pytket (windows)	17m 52s
Build and test (tket) (ubuntu-24.04)	1m 40s
Build and test pytket (macos) (macos-13)	6m 14s
Build and test (tket) (macos-13)	1m 44s
Build and test pytket (macos) (macos-15)	5m 46s
Build and test (tket) (macos-15)	1m 20s
Build and test (tket) (windows-2022)	9m 52s
Check documentation build	1m 9s
Check C++ code formatting	29s
Publish pytket coverage	0s
Check pytket line and branch coverage	0s
All build and test jobs successful (or skipped)	1s
	54m 31s

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