Update setup-python

.github/workflows/main_matrix.yml

@@ -57,7 +57,7 @@ jobs:
           sudo apt-get install -y cppcheck
 
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.x
 
@@ -112,7 +112,7 @@ jobs:
           repository: ${{github.event.pull_request.head.repo.full_name}}
 
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python
         with:
           python-version: 3.x
 
@@ -190,7 +190,7 @@ jobs:
           repository: ${{github.event.pull_request.head.repo.full_name}}
 
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.x
 
@@ -245,7 +245,7 @@ jobs:
           repository: ${{github.event.pull_request.head.repo.full_name}}
 
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.x
 
@@ -292,7 +292,7 @@ jobs:
           repository: ${{github.event.pull_request.head.repo.full_name}}
 
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.x
 
@@ -429,7 +429,7 @@ jobs:
         uses: actions/checkout@v2
           
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.x