Bump actions versions

.github/workflows/eslint.yml

@@ -19,7 +19,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: actions/setup-node@v1
       with:
         node-version: '16'

.github/workflows/flask.yml

@@ -35,9 +35,9 @@ jobs:
         python-version: [3.7]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
         cache: 'pip'

.github/workflows/selenium.yml

@@ -37,7 +37,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
         cache: 'pip'