wasmer 7.5 upgrade in experimental executor

[andrei-marinica]

Upgrades the experimental executor to Wasmer 7.5 and adds consistent WASM-local limits and metering.

Changes:

• Updates Wasmer dependencies and middleware lifetime APIs.
• Enforces a shared 4,000-local function limit.
• Adds boundary tests for both executors.

[Copilot]

🔵 Needs a closer look

The consensus-sensitive runtime dependency upgrade and metering changes warrant final human validation.

0 open findings

What changed in this PR

Upgrades the experimental executor to Wasmer 7.5 and adds consistent WASM-local limits and metering.

Changes:

• Updates Wasmer dependencies and middleware lifetime APIs.
• Enforces a shared 4,000-local function limit.
• Adds boundary tests for both executors.

File	Description
vm-executor/​src/​service_error.rs	Removes unnecessary formatting borrow.
vm-executor/​src/​missing_wasm.rs	Removes unnecessary formatting borrow.
vm-executor/​src/​lib.rs	Exports the shared locals limit.
vm-executor/​src/​compilation_options.rs	Defines the shared locals limit.
vm-executor/​src/​breakpoint_value.rs	Fixes documentation whitespace.
vm-executor-wasmer/​tests/​locals_test.rs	Tests production executor local limits.
vm-executor-wasmer/​src/​wasmer_metering.rs	Uses the shared locals limit.
vm-executor-experimental/​tests/​locals_test.rs	Tests experimental executor local limits.
vm-executor-experimental/​src/​middlewares/​we_protected_globals.rs	Adapts middleware lifetimes.
vm-executor-experimental/​src/​middlewares/​we_opcode_trace.rs	Adapts middleware lifetimes.
vm-executor-experimental/​src/​middlewares/​we_opcode_control.rs	Adapts middleware lifetimes.
vm-executor-experimental/​src/​middlewares/​we_metering.rs	Adds local validation and metering support.
vm-executor-experimental/​src/​middlewares/​we_breakpoints.rs	Adapts middleware lifetimes.
vm-executor-experimental/​Cargo.toml	Upgrades Wasmer dependencies to 7.5.

🧠 Review effort: Balanced

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