Set all actions to v4

Author: Tim Schneider

.github/workflows/build_and_test.yml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout repository and submodules
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 

.github/workflows/build_wheels.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout repository and submodules
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -130,7 +130,7 @@ jobs:
           zip -r "output/libfranka_${libfranka_version//./-}_wheels.zip" dist/
 
       - name: Upload wheels
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: wheels
           path: output

.github/workflows/documentation.yml

@@ -9,7 +9,7 @@ jobs:
   build-deploy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: dependencies
       env:
@@ -20,7 +20,7 @@ jobs:
       run: cd doc && doxygen ./Doxyfile
 
     - name: deploy
-      uses: peaceiris/actions-gh-pages@v3
+      uses: peaceiris/actions-gh-pages@v4
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: ./doc/html

.github/workflows/publish.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout repository and submodules
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -29,7 +29,7 @@ jobs:
           mkdir -p wheels
 
       - name: Get wheels
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: wheels
           path: wheels/