Implement instruction metering resume

[AlixANNERAUD]

This pull request adds robust support for resuming execution after instruction metering suspension in both the classic and fast interpreter modes. When a wasm module exceeds its instruction budget, execution now suspends with state preserved, allowing the host to set a new budget and resume from where it left off. The PR also introduces new tests and documentation updates to cover this behavior.

Interpreter and Metering Suspension Enhancements:

• Added metering_suspended and metering_suspend_frame fields to WASMExecEnv, and logic to preserve and restore interpreter state on instruction limit suspension in both classic and fast interpreter modes (wasm_exec_env.h, wasm_exec_env_create_internal, wasm_interp_call_func_bytecode, wasm_interp_call_wasm, wasm_interp_fast.c) [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19].

• Ensured that resuming is only possible when re-entering the same function, with checks and exception handling for invalid or mismatched resume attempts (wasm_interp_call_wasm) [1] [2].

Instruction Metering Behavior and Documentation:

• Updated the documentation to clarify that, in interpreter modes, exceeding the instruction budget suspends execution and allows resumption from the preserved state after budget reset (doc/build_wamr.md).

• Improved instruction metering checks to properly roll back the instruction pointer when the budget is exceeded, ensuring correct resume behavior (wasm_interp_fast.c).

Testing:

• Added a new unit test suite for instruction metering, including CMake configuration and WASM test applications, ensuring the new suspension/resume logic is covered (tests/unit/instruction-metering/, tests/unit/CMakeLists.txt) [1] [2].

These changes make instruction metering more robust and user-friendly, especially for hosts that need to pause and resume long-running wasm computations.