chore(l2): bump SP1 version to 5.2.1

[ilitteri]

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[Copilot]

Pull Request Overview

Updates the SP1 version from 5.0.8 to 5.2.1 across the codebase to utilize the latest version of the SP1 proving system.

• Bumped SP1 dependency versions in Cargo.toml files
• Updated SP1 version references in GitHub workflow files
• Modified documentation to reflect the new version requirements

Reviewed Changes

Copilot reviewed 11 out of 12 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
docs/l2/architecture/prover.md	Updated SP1 installation command and added blank line for formatting
docs/ethrex_replay/ethrex_replay.md	Updated SP1 installation command and fixed markdown table formatting
crates/l2/prover/src/guest_program/src/sp1/Cargo.toml	Bumped sp1-zkvm dependency version
crates/l2/prover/src/guest_program/build.rs	Updated SP1 Docker tag version
crates/l2/prover/src/guest_program/Cargo.toml	Updated SP1 build and SDK dependency versions
crates/l2/prover/Cargo.toml	Updated SP1 SDK, prover, and gnark-ffi dependency versions
.github/workflows/tag_release.yaml	Updated SP1 installation version in CI workflow
.github/workflows/pr-main_replay_proving.yaml	Updated SP1 installation version in CI workflow
.github/workflows/pr-main_replay.yaml	Updated SP1 installation version in CI workflow
.github/workflows/pr-main_l2_prover.yaml	Updated SP1 installation version in CI workflow
.github/workflows/main_prover.yaml	Updated SP1 installation version in CI workflow

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