Update deprecated actions

CI was complaining:

> The following actions uses Node.js version which is deprecated and will be forced to run on node20: actions/checkout@v3, actions/setup-python@v4. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

.github/workflows/build.yaml

@@ -26,13 +26,13 @@ jobs:
     if: github.ref == 'refs/heads/main' || contains(github.event.pull_request.labels.*.name, 'test-build')
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           persist-credentials: false
           fetch-depth: 0
 
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "${{ env.PYTHON_VERSION }}"
 
@@ -62,7 +62,7 @@ jobs:
 
     steps:
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "${{ env.PYTHON_VERSION }}"
 

.github/workflows/release.yaml

@@ -16,13 +16,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           persist-credentials: false
           fetch-depth: 0
 
       - name: Set up Python 3.12
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.12"
 
@@ -45,10 +45,10 @@ jobs:
     name: Publish scenarios
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python 3.12
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.12"