bump checkout action

there was a warning..

.github/workflows/commit.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Python Lint
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: chartboost/ruff-action@v1
 
   test:
@@ -21,7 +21,7 @@ jobs:
     name: Pytests
     steps:
       - name: Check out the code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1
 
@@ -61,7 +61,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Poetry
         uses: abatilo/actions-poetry@v2
         with:

.github/workflows/deploy.yml

@@ -21,7 +21,7 @@
       runs-on: ubuntu-latest
       steps:
         - name: checkout
-          uses: actions/checkout@v3
+          uses: actions/checkout@v4
         - name: Install Poetry
           uses: abatilo/actions-poetry@v2
           with:
@@ -79,7 +79,7 @@
       runs-on: ubuntu-latest
       steps:
         - name: checkout
-          uses: actions/checkout@v3
+          uses: actions/checkout@v4
         - name: Install Poetry
           uses: abatilo/actions-poetry@v2
           with:

.github/workflows/load_test.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v3      
+        uses: actions/checkout@v4
       - name: Setup python
         uses: actions/setup-python@v4
         with:

.github/workflows/publish.yml

@@ -21,7 +21,7 @@ jobs:
       url: https://pypi.org/project/datagov-harvesting-logic/
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Update setup.py if manual release
         if: github.event_name == 'workflow_dispatch'
         run: |