Tests

Fix naming for incrementing and decrementing balance in transfer function #4773

Job	Run time
check no_std	39s
check	16s
check no_std kzg-rs	22s
check serde	20s
check std	16s
clippy	1m 14s
docs	1m 11s
fmt	5s
test stable --no-default-features	26s
TyposCheck	4s
test stable	29s
test stable --all-features	53s
test beta --no-default-features	32s
test beta	35s
test beta --all-features	59s
test nightly --no-default-features	1m 29s
test nightly	1m 37s
test nightly --all-features	1m 42s
	13m 9s

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