Update changelog for 1.36.0 release #6290

Job	Run time
Check tket library version	15s
Build and test (tket) (ubuntu-24.04)	1m 31s
Build and test (tket) (windows-2022)	4m 21s
Build and test (tket) (macos-13)	3m 52s
Build and test pytket (macos) (macos-13)	12m 15s
Build and test pytket (ubuntu)	10m 5s
Build and test (tket) (macos-15)	1m 15s
Build and test pytket (macos) (macos-15)	7m 57s
Build and test pytket (windows)	13m 22s
Check C++ code formatting	25s
Check documentation build	53s
Check pytket line and branch coverage	7s
Publish pytket coverage	0s
All build and test jobs successful (or skipped)	1s
	56m 19s

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