Bump C_KZG_4844_GIT_HASH #76

Job	Run time
benchmarks (ubuntu-latest, blst)	45m 33s
benchmarks (ubuntu-latest, zkcrypto)	1h 52m 14s
benchmarks (ubuntu-latest, arkworks)	54m 11s
benchmarks (ubuntu-latest, constantine)	58m 11s
benchmarks (windows-latest, blst)	38m 21s
benchmarks (windows-latest, zkcrypto)	1h 39m 29s
benchmarks (windows-latest, arkworks)	46m 5s
benchmarks (windows-latest, constantine)	53m 22s
benchmarks (macos-11, blst)	59m 20s
benchmarks (macos-11, zkcrypto)	2h 12m 52s
benchmarks (macos-11, arkworks)	1h 8m 11s
benchmarks (macos-11, constantine)	1h 18m 20s
	14h 6m 9s

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