Fix Action runner issues (#59)

* Move test workflow to latest runner images.

Change workflow for test actions that used specific runner images
versions - which have now become outdated - to use "latest" image.

* Remove non-working add_to_project workflow.

Removing deprecated, non-functional workflow config to enable checks to
pass.

* Fix issues in Mac runner integration tests.

Fixing lack of Fortran compiler and CMake policy config issue when
building Sloth.

Author: robertbartel

.github/workflows/add_to_project.yml

@@ -23,7 +23,7 @@ jobs:
     # The type of runner that the job will run on
     strategy:
       matrix:
-        os: [ubuntu-20.04, macos-12]
+        os: [ubuntu-latest, macos-latest]
       fail-fast: false
     runs-on: ${{ matrix.os }}
 

.github/workflows/build_and_run_unit_test.yml

@@ -46,6 +46,20 @@ jobs:
         with:
           repository: noaa-owp/ngen
 
+      - name: Install uv
+        uses: astral-sh/setup-uv@v7
+        with:
+          python-version: "3.12"
+          enable-cache: false
+
+      - name: Install python via uv
+        run: uv python install --default
+
+      - name: Install gcc12 on MacOS
+        if: runner.os == 'macOS'
+        run: |
+          brew install gcc@12
+
       - name: Build Surfacebmi
         id: submod_build_1
         uses: ./.github/actions/ngen-submod-build
@@ -71,6 +85,7 @@ jobs:
         id: submod_build_6
         uses: ./.github/actions/ngen-submod-build
         with:
+          cmake-flags: -DCMAKE_POLICY_VERSION_MINIMUM=3.5
           mod-dir: "extern/sloth/"
           targets: "slothmodel"