Updated python version to 3.8 for github action

Author: doc78

.github/workflows/ci_env.yml

@@ -18,14 +18,14 @@ jobs:
     - uses: conda-incubator/setup-miniconda@v2
       with:
         auto-update-conda: true
-        python-version: 3.7
+        python-version: 3.8
     - name: Conda info
       shell: bash -el {0}
       run: conda info
     - name: Install python and gcc
       shell: bash -el {0}
       run: |
-        conda install -c conda-forge python=3.7
+        conda install -c conda-forge python=3.8
         conda install -c conda-forge gcc=12.1.0
     - name: Install gdal eccodes pcraster hdf5
       shell: bash -el {0}