Gas used metrics are incorrect #71
Description
Describe the bug
As pointed out by @stronk-dev the livepeer_orch_reward_gas_used and livepeer_orch_winning_ticket_gas_used metrics return the gas limit instead of the used gas (see #67 (comment)). This is caused by this upstream bug.
Reproduction steps
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Expected behaviour
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Screenshots / Live demo link
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System information
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Additional context
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