Update catch2 and fix Mac CI #50

	name: 'Domain Decomposition Toolkit CI'
	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	jobs:
	build-on-ubuntu:
	runs-on: ubuntu-22.04
	container:
	image: ghcr.io/nextsimhub/nextsimdg-dev-env:latest
	steps:
	- uses: actions/checkout@v3
	- name: Configure
	shell: bash
	run: \|
	. /opt/spack-environment/activate.sh
	cmake -G "Unix Makefiles" -Bbuild -S.
	- name: Build
	shell: bash
	run: \|
	. /opt/spack-environment/activate.sh
	cmake --build build --config Release
	- name: Run unit tests
	shell: bash
	run: \|
	. /opt/spack-environment/activate.sh
	cd build
	ctest -V

	build-on-macos:
	runs-on: macos-latest
	steps:
	- uses: actions/checkout@v3
	- name: Install dependencies
	run: \|
	brew install open-mpi
	brew install netcdf
	brew install netcdf-cxx
	brew install boost
	brew install cmake
	brew install catch2
	git clone https://github.com/trilinos/Trilinos.git
	cd Trilinos
	cmake \
	-DTPL_ENABLE_MPI:BOOL=ON \
	-DTrilinos_ENABLE_ALL_PACKAGES:BOOL=OFF \
	-DTrilinos_ENABLE_Zoltan:BOOL=ON \
	-DTrilinos_ENABLE_Fortran:BOOL=OFF \
	-DZoltan_ENABLE_EXAMPLES:BOOL=OFF \
	-DZoltan_ENABLE_TESTS:BOOL=OFF \
	-DBUILD_SHARED_LIBS=ON \
	-Bbuild -S.
	sudo cmake --build build --config Release --target install
	- name: Configure
	run: \|
	cmake -Bbuild -S.
	- name: Build
	run: \|
	cmake --build build --config Release
	- name: Run unit tests
	run: \|
	cd build
	ctest -V

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