Using hashes for all actions (#210)

Author: bsipocz

.github/workflows/ci_tests_run_notebooks.yml

@@ -46,9 +46,9 @@ jobs:
             os: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29  # v4.1.6
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d  #v5.1.0
       with:
         python-version: ${{ matrix.python-version }}
 

.github/workflows/circleci.yml

@@ -5,7 +5,7 @@ jobs:
      name: Run CircleCI artifacts redirector
      steps:
        - name: GitHub Action step
-         uses: larsoner/circleci-artifacts-redirector-action@master
+         uses: larsoner/circleci-artifacts-redirector-action@4e13a10d89177f4bfc8007a7064bdbeda848d8d1  # v1.0.0
          with:
            repo-token: ${{ secrets.GITHUB_TOKEN }}
            api-token: ${{ secrets.CIRCLE_TOKEN }}

.github/workflows/conda.yml

@@ -24,8 +24,8 @@ jobs:
         shell: bash -l {0}
 
     steps:
-      - uses: actions/checkout@v4
-      - uses: conda-incubator/setup-miniconda@v3
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29  # v4.1.6
+      - uses: conda-incubator/setup-miniconda@a4260408e20b96e80095f42ff7f1a15b27dd94ca  # v3.0.4
         with:
           auto-update-conda: true
           activate-environment: numpy-tutorials
@@ -43,7 +43,7 @@ jobs:
           conda list
           make -C site/ SPHINXOPTS="-nWT --keep-going" html
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808  # v4.3.3
         with:
           name: sphinx-build-artifact
           path: site/_build/html/reports