github: update the action version

Migrate from checkout@v3 to checkout@v4.

Signed-off-by: Erdem Meydanli <[email protected]>

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
       matrix:
           rust: [1.68.2, stable, nightly]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: dtolnay/rust-toolchain@master
       with:
         toolchain: ${{matrix.rust}}
@@ -24,7 +24,7 @@ jobs:
     name: Clippy
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: dtolnay/rust-toolchain@stable
     - uses: Swatinem/rust-cache@v2
     - run: rustup component add clippy
@@ -34,7 +34,7 @@ jobs:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: dtolnay/rust-toolchain@stable
     - uses: Swatinem/rust-cache@v2
     - run: rustup component add rustfmt
@@ -44,7 +44,7 @@ jobs:
     name: Check dependencies for security issues
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: dtolnay/rust-toolchain@stable
     - uses: Swatinem/rust-cache@v2
     - run: cargo install --locked --version "~0.17" cargo-audit
@@ -56,7 +56,7 @@ jobs:
     outputs:
       license_changed: ${{ steps.license_diff.outputs.license_changed }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: dtolnay/rust-toolchain@stable
     - uses: Swatinem/rust-cache@v2
     - run: cargo install --locked --version "~0.5" cargo-about

.github/workflows/license_update.yml

@@ -18,7 +18,7 @@ jobs:
     steps:
       # Clone the repository and check if THIRD_PARTY_LICENSES_RUST_CRATES.html
       # is up-to-date.
-      - uses: actions/checkout@v3.5.0
+      - uses: actions/checkout@v4
         with:
           persist-credentials: false
       - run: cargo install --locked --version "~0.5" cargo-about

.github/workflows/summary.yml

@@ -9,7 +9,7 @@ jobs:
     if: ${{ github.repository == "aws/aws-nitro-enclaves-cli" }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: create summary
         run: |
           # Get list of open PRs through GH CLI formatting by columns