Update pypicheck.yml

Author: jan-janssen

.github/workflows/pypicheck.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Setup Mambaforge
       uses: conda-incubator/setup-miniconda@v2
       with:
-        python-version: '3.11'
+        python-version: '3.12'
         miniforge-variant: Mambaforge
         channels: conda-forge
         channel-priority: strict
@@ -30,4 +30,4 @@ jobs:
       run: |
         pip install versioneer[toml]==0.29
         pip install . --no-deps --no-build-isolation
-        python -m pip check
+        python -m pip check