Upgrade actions/checkout to 4 version (#1185)

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -47,7 +47,7 @@ jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
@@ -58,7 +58,7 @@ jobs:
   rustfmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: nightly
@@ -76,7 +76,7 @@ jobs:
   bench:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
@@ -103,7 +103,7 @@ jobs:
           - nightly
     runs-on: ${{ matrix.os }}-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
@@ -134,7 +134,7 @@ jobs:
           - { feature: subscriptions, crate: juniper_warp }
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: nightly
@@ -173,7 +173,7 @@ jobs:
           - windows
     runs-on: ${{ matrix.os }}-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: nightly
@@ -189,7 +189,7 @@ jobs:
     if: ${{ startsWith(github.ref, 'refs/tags/juniper') }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
@@ -238,7 +238,7 @@ jobs:
             os: windows
     runs-on: ${{ matrix.os }}-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
@@ -266,7 +266,7 @@ jobs:
           - nightly
     runs-on: ${{ matrix.os }}-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
@@ -289,7 +289,7 @@ jobs:
           - nightly
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
@@ -313,7 +313,7 @@ jobs:
     needs: ["release-github"]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
@@ -347,7 +347,7 @@ jobs:
           - juniper_warp
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
@@ -373,7 +373,7 @@ jobs:
       - wasm
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Parse crate name and version from Git tag
         id: tag
@@ -416,7 +416,7 @@ jobs:
     needs: ["test", "test-book"]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: peaceiris/actions-mdbook@v1
 
       - run: make book.build out=gh-pages${{ (github.ref == 'refs/heads/master'