updated matric for Intel and Arm

Author: ChrisBarker-NOAA

.github/workflows/conda_test.yml

@@ -4,11 +4,12 @@ on: [push]
 jobs:
   test:
     name: Test ${{ matrix.os }} Py${{ matrix.pyver }}
-    runs-on: ${{ matrix.os }}-latest
+    runs-on: ${{ matrix.os }}
     strategy:
         fail-fast: false
         matrix:
-            os: ["ubuntu", "windows", "macos"]
+            # macos-13 to get Intel
+            os: ["ubuntu-latest", "windows-latest", "macos-13", "macos-latest"]
             pyver: ["3.10", "3.11", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v5