bench: Add benchmarks for EOF validation

Run:

```sh
evmone-bench-internal --benchmark_counters_tabular=true --benchmark_filter=eof_validation
```

Author: chfast

Diff for: test/internal_benchmarks/CMakeLists.txt

@@ -4,9 +4,11 @@
 
 add_executable(
     evmone-bench-internal
+    eof_validation_bench.cpp
     evmmax_bench.cpp
     find_jumpdest_bench.cpp
     memory_allocation.cpp
 )
 
-target_link_libraries(evmone-bench-internal PRIVATE evmone::evmmax benchmark::benchmark)
+target_link_libraries(evmone-bench-internal PRIVATE evmone evmone::evmmax evmone::testutils benchmark::benchmark)
+target_include_directories(evmone-bench-internal PRIVATE ${evmone_private_include_dir})

Diff for: test/internal_benchmarks/eof_validation_bench.cpp

@@ -0,0 +1,46 @@
+// evmone: Fast Ethereum Virtual Machine implementation
+// Copyright 2025 The evmone Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+#include <benchmark/benchmark.h>
+#include <evmone/eof.hpp>
+#include <test/utils/bytecode.hpp>
+
+namespace
+{
+using namespace evmone::test;
+
+const bytes max_code_sections = [] {
+    auto eof_code_sections_1023 = eof_bytecode(jumpf(1));
+    for (int i = 1; i < 1022; ++i)
+        eof_code_sections_1023 =
+            eof_code_sections_1023.code(jumpf(static_cast<uint16_t>(i + 1)), 0, 0x80, 0);
+
+    auto eof_code_sections_1024 = eof_code_sections_1023;
+    eof_code_sections_1023 = eof_code_sections_1023.code(OP_STOP, 0, 0x80, 0);
+    eof_code_sections_1024 = eof_code_sections_1024.code(jumpf(1023), 0, 0x80, 0);
+    eof_code_sections_1024 = eof_code_sections_1024.code(OP_STOP, 0, 0x80, 0);
+    return eof_code_sections_1024;
+}();
+
+void eof_validation(benchmark::State& state, evmone::ContainerKind kind, const bytes& container)
+{
+    for (auto _ : state)
+    {
+        const auto res = evmone::validate_eof(EVMC_OSAKA, kind, container);
+        if (res != evmone::EOFValidationError::success)
+            state.SkipWithError(evmone::get_error_message(res).data());
+    }
+
+    using namespace benchmark;
+    const auto total_size =
+        static_cast<double>(state.iterations() * static_cast<IterationCount>(container.size()));
+    state.counters["size"] = {static_cast<double>(container.size()), {}, Counter::kIs1024};
+    state.counters["bytes_rate"] = {total_size, Counter::kIsRate, Counter::kIs1024};
+    state.counters["gas_rate"] = {total_size / 16, Counter::kIsRate};
+}
+
+using enum evmone::ContainerKind;
+BENCHMARK_CAPTURE(eof_validation, max_code_sections, runtime, max_code_sections)
+    ->Unit(benchmark::kMicrosecond);
+}  // namespace