Bump actions/checkout from 3 to 4

.github/workflows/delivery.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ${{ matrix.operating-system }}-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -46,7 +46,7 @@ jobs:
     runs-on: ${{ matrix.operating-system }}-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Download Bundler Lockfile
         uses: actions/download-artifact@v3
         with:
@@ -95,7 +95,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Download Bundler Lockfile
         uses: actions/download-artifact@v3
         with:
@@ -125,7 +125,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v2
         with:
@@ -145,7 +145,7 @@ jobs:
     runs-on: ${{ matrix.operating-system }}-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with: