Merge pull request #102 from qmk/dependabot/github_actions/actions/checkout-2.4.0

Bump actions/checkout from 2.3.4 to 2.4.0

.github/workflows/cli_setup.yml

@@ -17,7 +17,7 @@ jobs:
         python-version: [3.7, 3.8, 3.9]
 
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v2.4.0
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2.2.2
@@ -33,7 +33,7 @@ jobs:
       QMK_HOME: $HOME/qmk_firmware
 
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v2.4.0
 
     - name: (MSYS2) Setup and install dependencies
       uses: msys2/setup-msys2@v2

.github/workflows/codeql-analysis.yml

@@ -39,7 +39,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2.3.4
+      uses: actions/checkout@v2.4.0
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/python-publish.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v2.4.0
     - name: Set up Python
       uses: actions/setup-python@v2.2.2
       with: