[struct_pb][fix and feat]1. fix当成员是std::variant类型时.get_fields_name 会有重复字段名bug;2.添加get_field_any接口,具体类型转换延迟到用户端代码 #580

	name: IBM S390X

	on:
	push:
	branches: [ main, develop ]
	pull_request:
	branches: [ main, develop ]
	workflow_dispatch:

	jobs:
	build-ubuntu-s390x:
	name: Build Linux on s390x arch and run unit tests
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: uraimo/run-on-arch-action@v2
	name: Test
	id: runcmd
	with:
	arch: s390x
	distro: ubuntu22.04
	githubToken: ${{ github.token }}
	install: \|
	apt-get update -q -y
	apt-get -y install cmake
	apt-get -y install make
	apt-get -y install g++
	run: \|
	lscpu \| grep Endian
	CXX=g++ CC=gcc
	cmake -B ${{github.workspace}}/build \
	-DCMAKE_BUILD_TYPE=Debug \
	-DBUILD_CORO_HTTP=OFF -DBUILD_CORO_IO=OFF -DBUILD_CORO_RPC=OFF -DBUILD_EASYLOG=OFF -DBUILD_STRUCT_JSON=OFF -DBUILD_STRUCT_XML=OFF -DBUILD_STRUCT_YAML=OFF -DBUILD_UTIL=OFF -DBUILD_EXAMPLES=OFF -DBUILD_BENCHMARK=OFF
	cmake --build ${{github.workspace}}/build -j
	cd ${{github.workspace}}/build/output/tests
	./struct_pack_test
	./struct_pack_test_with_optimize

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