Update actions/checkout action to v3.5.3

Author: renovate[bot]

.github/workflows/push.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Install libgtk-3-dev
         run: sudo apt-get update -y && sudo apt-get install -y libgtk-3-dev
       - name: Checkout repository
-        uses: actions/[email protected].2
+        uses: actions/[email protected].3
       - name: Build
         shell: bash
         run: |

.github/workflows/test.yml

@@ -28,7 +28,7 @@ jobs:
         if: startsWith(matrix.platform, 'windows')
         run: choco install upx -y
       - name: Checkout repository
-        uses: actions/[email protected].2
+        uses: actions/[email protected].3
       - name: Build
         shell: bash
         run: |