Support building with GHC 9.6 #3174

Job	Run time
config	10s
build (ubuntu-22.04, 3.10.1.0, 9.2.7, true, false)	17m 23s
build-push-image	0s
build (ubuntu-22.04, 3.10.1.0, 9.4.4, true, false)	6m 11s
build (ubuntu-22.04, 3.10.1.0, 9.6.3, true, false)	30m 14s
build (macos-12, 3.10.1.0, 9.2.7, true, false)	59m 28s
build (macos-12, 3.10.1.0, 9.4.4, true, false)	20m 57s
build (macos-12, 3.10.1.0, 9.6.3, true, false)	49m 29s
build (windows-2019, 3.10.1.0, 9.2.7, true, false)	22m 53s
build (windows-2019, 3.10.1.0, 9.4.4, true, false)	16m 55s
build (windows-2019, 3.10.1.0, 9.6.3, true, false)	32m 45s
build (ubuntu-20.04, 9.2.7, 3.10.1.0, false, false)	33m 26s
build (ubuntu-22.04, 9.4.4, 3.10.1.0, true, true)	6m 19s
heapster-tests	0s
saw-remote-api-tests	0s
cabal-test	0s
mr-solver-tests	0s
Run integration tests with coverage reporting	0s
Test SAW exercises	0s
Test s2n proofs	0s
mergify	0s
	4h 56m 10s

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