build(deps): bump actions/checkout from 3 to 4 (#969)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](actions/checkout@v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/lint-test.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Checkout panther-analysis
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set python version  
         uses: actions/setup-python@v4

.github/workflows/sync-from-upstream.yml

@@ -37,7 +37,7 @@ jobs:
           branch: 'sync_upstream_${{steps.set_upstream.outputs.latest-release}}'
       # Checkout this repo into the branch
       - name: Checkout your local repo in PR branch
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: 'sync_upstream_${{steps.set_upstream.outputs.latest-release}}'
       # Sync this branch with upstream