apollo_l1_gas_price_types,apollo_l1_gas_price: rename trait method eth_to_fri_rate to fetch_rate

[sirandreww-starkware]

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[reviewable-StarkWare]

This change is 

[sirandreww-starkware]

• apollo_consensus_orchestrator: add SNIP-35 integration TODO doc #13982
• apollo_consensus_orchestrator: tmp dirty tests for SNIP-35 (NOT FOR MERGE) #13857
• apollo_l1_gas_price,apollo_l1_gas_price_config: move exchange_rate_decimals const to config #13881
• apollo_consensus_orchestrator: add SNIP-35 proposer-validator symmetry tests #13856
• apollo_consensus_orchestrator: add SNIP-35 module edge case tests #13855
• apollo_consensus_orchestrator: add SNIP-35 e2e test #13821
• apollo_consensus_manager: wire STRK/USD oracle into consensus manager #13820
• apollo_consensus_orchestrator: add SNIP-35 fee_proposal validation #13819
• apollo_consensus_orchestrator: include fee_proposal_fri in proposal commitment hash #13949
• apollo_starknet_client: read fee_proposal_fri from feeder gateway #13986
• apollo_consensus_orchestrator: wire SNIP-35 fee_proposal into cende blob #13985
• apollo_consensus_orchestrator: wire SNIP-35 fee_proposal into build_proposal #13818
• apollo_consensus_orchestrator,apollo_consensus_manager: move SNIP-35 bootstrap to pre-consensus #14061
• apollo_consensus_orchestrator: add fee_actual floor to EIP-1559 gas price calculation #13824
• apollo_consensus_orchestrator: add SNIP-35 fee_proposals sliding window #13817
• apollo_consensus_orchestrator,apollo_consensus_manager: add strk_exchange_rate_oracle field to deps #13823
• apollo_l1_gas_price_types,apollo_l1_gas_price: rename trait method eth_to_fri_rate to fetch_rate #13987 👈 (View in Graphite)
• apollo_dashboard: add SNIP-35 row #13954
• apollo_consensus_orchestrator: add SNIP-35 metrics #13816
• apollo_consensus_orchestrator: add SNIP-35 module tests #13815
• apollo_consensus_orchestrator: add SNIP-35 module #13854
• apollo_storage: add fee_proposal_fri migrator and bump blocks version to 6.1 #13936 : 2 other dependent PRs (#13814 , #13934 )
• apollo_protobuf: add fee_proposal_fri to sync proto SignedBlockHeader #13957
• starknet_api: add fee_proposal_fri to BlockHeaderWithoutHash #13822
• apollo_protobuf: add fee_proposal_fri to ProposalInit #13812 : 2 other dependent PRs (#13811 , #13935 )
• main

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PR Summary

Low Risk
Low risk rename-only API change; main risk is missed call sites causing compile failures rather than runtime behavior changes.

Overview
Renames ExchangeRateOracleClientTrait::eth_to_fri_rate to fetch_rate and updates the concrete ExchangeRateOracleClient implementation.

Updates L1GasPriceProvider and oracle client tests to use the new method name, and clarifies trait docs that the per-instance rate semantics are determined by configured URLs (not hardcoded to ETH/FRI).

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[ShahakShama]

@ShahakShama reviewed 4 files and all commit messages, and made 1 comment.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on sirandreww-starkware).

[sirandreww-starkware]

@sirandreww-starkware reviewed 7 files and all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on sirandreww-starkware).