Fix C++20 warning #261

	name: Anaconda build
	on: [push]

	jobs:
	build:
	name: ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	env:
	GIT_HASH: ${{ github.sha }}
	GDX_VERSION: 0.11.8
	strategy:
	fail-fast: false
	matrix:
	os: ["ubuntu-latest", "windows-2022"]
	steps:
	- name: Clone repository
	uses: actions/checkout@v3
	with:
	submodules: true
	- uses: conda-incubator/setup-miniconda@v3
	with:
	auto-update-conda: true
	activate-environment: build
	python-version: "3.10"
	- name: create meta.yaml
	run: python
	- name: Setup conda forge
	run: \|
	conda config --add channels conda-forge
	conda config --set channel_priority strict
	- name: Install build requirements
	run: conda install mamba boa jinja2
	- name: Generate package metadata
	run: python ./conda/metagen.py
	- name: Build conda package
	run: conda mambabuild ./conda

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