upgrade to latest checkout action

.github/workflows/master_build_test.yml

@@ -21,7 +21,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # Runs a single command using the runners shell
       - name: Build and run tests

.github/workflows/publish_image.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Log into GitHub Registry
         run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin
@@ -32,7 +32,7 @@ jobs:
         id: buildx
         uses: crazy-max/ghaction-docker-buildx@v1
         with:
-          version: latest
+          buildx-version: latest
 
       - name: Build and Push multi-arch to Docker Hub
         run: |

.github/workflows/python-publish.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v2
       with:

.github/workflows/upload_chart.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0