upgrade macos12 to 13

Author: menon-karthik

.github/workflows/test.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-22.04, ubuntu-latest, macos-12, macos-latest]
+        os: [ubuntu-22.04, ubuntu-latest, macos-13, macos-latest]
       fail-fast: false
     steps:
       - uses: actions/checkout@v4
@@ -19,8 +19,6 @@ jobs:
         run: sudo apt update && sudo apt install build-essential cmake lcov
       - name: Install svZeroDSolver
         run: |
-          #export PATH="/usr/share/miniconda/bin:$PATH"
-          #alias conda="$CONDA/bin/conda"
           conda create -n zerod python=3.11.4
           conda run -n zerod pip install -e ".[dev]"
       - name: Test the build