ci: use actions/checkout@v4

Author: jpgrayson

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
@@ -116,7 +116,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
@@ -165,7 +165,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
@@ -179,7 +179,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
@@ -194,7 +194,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
@@ -209,7 +209,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with:
@@ -223,7 +223,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Rust
         uses: dtolnay/rust-toolchain@master
         with: