fix(specs): Rename l1Fee<x> to <x>

- `l1FeeScalar` is actually `scalar` in the code.
- `l1FeeOverhead` is actually `overhead` in the code.

Didn't change `exec-engine.md` because there those variable names are defined correctly.

Also added update config transaction type 3 to the doc.

Based on https://github.com/sherlock-audit/2023-01-optimism-judging/blob/b7921698c1c537714c5f2021aa46ce0a1935ba39/1-specs-findings/1-processed/1-true/names/213.md

Closing: DEVRL-847

op-node: Add channel_input_bytes metric

op-program: Implement derivation driver

Adds gauge metric for the amount of compressed bytes read from the
channel just prior to batch decoding.

contracts-bedrock: fix L2OutputOracle comment

Version Packages

fix(specs/deposits.md): Sherlock specs fix - clarify the deposit feed is called OptimismPortal

Hooks up the L1 and L2 sources with the derivation pipeline so the program can run successfully in fetching mode.

Closing: DEVRL-843

Based on: https://github.com/sherlock-audit/2023-01-optimism-judging/blob/b7921698c1c537714c5f2021aa46ce0a1935ba39/1-specs-findings/1-processed/1-true/depositfeed-dedupe/226.md#L1

op-program: Integrate existing L1Client implementation to fetch L1 data

op-node: Log when reading channels

fix: specs lint

op-e2e: 1s L2 block time

feat(specs): Challenge Agent specification

op-e2e: fix p2p gossip flakiness

feat(specs/bridges.md): Sherlock correction

op-chain-ops: migrate error handling

Per-event diagrams