chore(deps): bump serde_json from 1.0.109 to 1.0.111 (#762) #314

Job	Run time
set-image	1s
Build polkadot-staking-miner binary	8m 38s
Check code using cargo-hack	6m 22s
Clippy	4m 43s
Check formatting	1m 0s
Check staking-miner-playground	14m 31s
Check documentation	3m 13s
Run tests	5m 27s
Build and publish Docker image	20s
Test Docker image build	0s
	44m 15s

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