Automatic toolchain upgrade to nightly-2024-07-31 (#3397) #7593

Job	Run time
benchcomp-tests	5m 12s
documentation	2m 20s
perf	36m 47s
regression (macos-13)	36m 37s
write-json-symtab-regression	14m 58s
regression (ubuntu-20.04)	24m 10s
regression (ubuntu-22.04)	23m 47s
regression (macos-14)	21m 46s
	2h 45m 37s

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