- updated action files

Author: janbender

.github/workflows/build-linux.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
     - name: apt-get update
       run: sudo apt-get update --fix-missing
     - name: Install packages
@@ -29,11 +29,11 @@ jobs:
         python-version: [cp36-cp36m, cp37-cp37m, cp38-cp38, cp39-cp39, cp310-cp310]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
 
     # Set up python
     - name: Set up Python 3.8
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v4
       with:
         python-version: 3.8
 

.github/workflows/build-windows.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
     # Checkout repo
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
     # Configure, build and test
     - name: configure
       run: mkdir build-release;cd build-release;cmake ..
@@ -33,7 +33,7 @@ jobs:
 
     steps:
     # Checkout repo
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
 
     # Set up python
     - name: Set up Python ${{ matrix.python-version }}