chore(deps): Update actions/checkout action to v5 (#176)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
           POSTGRES_PASSWORD: postgres
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4

.github/workflows/docs.yml

@@ -8,7 +8,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
         with:
           python-version: 3.x

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
       new-release-version: ${{ steps.semantic-release.outputs.new_release_version }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
@@ -86,7 +86,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           sparse-checkout: |
             packages/sync-engine