MAINT: Bump actions/checkout from 3 to 4 (#165)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jeff Moody <[email protected]>

Author: dependabot[bot]

.github/workflows/ci_cd.yml

@@ -69,7 +69,7 @@ jobs:
         python-version: [ '3.8', '3.9', '3.10', '3.11' ]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v4

.github/workflows/label.yml

@@ -16,7 +16,7 @@ jobs:
     name: Syncer
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: micnncim/action-label-syncer@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}