chore(kms-connector): use eth_sendRawTransactionSync

[eudelins-zama]

Closes https://github.com/zama-ai/fhevm-internal/issues/433

[Copilot]

Pull Request Overview

This PR migrates the KMS connector to use the synchronous eth_sendRawTransactionSync method instead of the asynchronous transaction sending approach. This change aims to improve transaction handling reliability and simplify the codebase by removing the need for separate transaction sending and receipt polling operations.

• Updates transaction sender implementation to use synchronous transaction sending
• Upgrades Foundry version from v1.2.3 to v1.3.5 across all components
• Adjusts test timeouts and fixes sequential transaction handling in tests

Reviewed Changes

Copilot reviewed 11 out of 14 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
test-suite/fhevm/fhevm-cli	Updates component versions to latest commit hashes and new test suite version
test-suite/fhevm/docker-compose/host-docker-compose.yml	Upgrades Foundry image to v1.3.5
test-suite/fhevm/docker-compose/gateway-docker-compose.yml	Upgrades Foundry image to v1.3.5
test-suite/e2e/test/gatewayDecrypt/testAsyncDecrypt.ts	Changes from parallel to sequential transaction sending for better control
kms-connector/crates/utils/src/tests/setup/gw.rs	Updates Anvil image version to v1.3.5
kms-connector/crates/tx-sender/tests/health.rs	Increases test timeout from 120s to 300s
kms-connector/crates/tx-sender/tests/data/tx_out_of_gas/2_send_tx.json	Removes old transaction hash data file
kms-connector/crates/tx-sender/src/core/tx_sender.rs	Core implementation changes to use synchronous transaction sending
kms-connector/crates/tx-sender/Cargo.toml	Adds provider-anvil-api feature to alloy dependency
kms-connector/crates/kms-worker/tests/health.rs	Increases test timeout from 180s to 300s
kms-connector/crates/gw-listener/tests/health.rs	Increases test timeout from 120s to 300s

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[dartdart26]

Looks good code-wise!

I only have one question. Do we know for a fact that using AnvilApi is safe for production use?