change method of finding Python for robustness, enhance CI to cover issues #673

	## Copyright 2021-2024 The Khronos Group
	## SPDX-License-Identifier: Apache-2.0

	name: ANARI-SDK CI

	on:
	push:
	branches: [ next_release ]
	pull_request:
	branches: [ main, next_release ]

	env:
	ANARI_LIBRARY: helide

	jobs:
	build-linux:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-20.04, ubuntu-22.04, ubuntu-24.04]
	config: [Release, Debug]
	steps:
	- name: Install Packages
	run: sudo apt install -y libboost-system-dev libpython3-dev
	- name: Check out code
	uses: actions/checkout@v3
	- name: Build and test
	uses: ./.github/actions/configure_and_build
	with:
	workspace: ${{ github.workspace }}
	config: ${{ matrix.config }}
	os: ${{ matrix.os }}
	shell: bash

	build-windows:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [windows-latest]
	config: [Release, Debug]
	steps:
	- name: Check out code
	uses: actions/checkout@v3
	- name: Build and test
	uses: ./.github/actions/configure_and_build
	with:
	workspace: ${{ github.workspace }}
	config: ${{ matrix.config }}
	os: ${{ matrix.os }}
	shell: pwsh

	build-macos:
	# iOS is 10x expensive to run on GitHub machines, so only run if we know something else passed as well
	needs: [build-linux, build-windows]
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [macos-latest]
	config: [Release]
	steps:
	- name: Check out code
	uses: actions/checkout@v3
	- name: Build and test
	uses: ./.github/actions/configure_and_build
	with:
	workspace: ${{ github.workspace }}
	config: ${{ matrix.config }}
	os: ${{ matrix.os }}
	shell: bash

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