Making versions and hashes consistent

Author: bsipocz

.github/workflows/ci_publish.yml

@@ -25,10 +25,10 @@ jobs:
     name: Publish HTML
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  #v6.0.0
 
       - name: Setup Python
-        uses: actions/setup-python@v6.1.0
+        uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548  #v6.1.0
         with:
           python-version: '3.12'
 

.github/workflows/ci_tests_run_notebooks.yml

@@ -46,7 +46,7 @@ jobs:
             os: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd  # v5.0.1
+    - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6.0.0
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548  #v6.1.0
       with: