CI: Update

Author: ax3l

.github/workflows/macos.yml

@@ -12,17 +12,22 @@ jobs:
     runs-on: macos-latest
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Dependencies
       run: |
+        python3 -m venv py-venv
+        source py-venv/bin/activate
+
         python3 -m pip install --upgrade pyflakes
         python3 -m pip install --upgrade -r requirements.txt
 
         python3 -m pyflakes openpmd_validator
 
     - name: Test
       run: |
+        source py-venv/bin/activate
+
         python3 -m pip install .
         openPMD_createExamples_h5
         openPMD_check_h5 -i example.h5 --EDPIC

.github/workflows/ubuntu.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Dependencies
       run: |

.github/workflows/windows.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: windows-latest
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Dependencies
       run: |