Fix GitHub Actions (#50)

* enhanced debugging

* mask runtime gains not reliably large in CS testing

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.github/workflows/run-tests.yml

@@ -120,19 +120,19 @@ jobs:
       run:
         shell: bash -l {0}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python 3.10
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
-        python-version: 3.10
+        python-version: "3.10"
     - name: Install dependencies
-      uses: conda-incubator/setup-miniconda@v2
+      uses: conda-incubator/setup-miniconda@v3
       with:
         miniforge-variant: Mambaforge
         miniforge-version: latest
         use-mamba: true
         environment-file: envs/testing.yml
-        python-version: 3.10
+        python-version: "3.10"
         activate-environment: testing-env
         auto-activate-base: false
         auto-update-conda: false