Upgrade actions/checkout from 5 to 6 version (#1359)

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -56,7 +56,7 @@ jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
@@ -68,15 +68,15 @@ jobs:
     name: codespell (Book)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: codespell-project/actions-codespell@v2
         with:
           path: book/
 
   rustfmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: nightly
@@ -94,7 +94,7 @@ jobs:
   bench:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
@@ -134,7 +134,7 @@ jobs:
           - { feature: subscriptions, crate: juniper_warp }
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: nightly
@@ -173,7 +173,7 @@ jobs:
           - windows
     runs-on: ${{ matrix.os }}-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: nightly
@@ -190,7 +190,7 @@ jobs:
     if: ${{ startsWith(github.ref, 'refs/tags/juniper') }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
@@ -239,7 +239,7 @@ jobs:
             os: windows
     runs-on: ${{ matrix.os }}-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
@@ -269,7 +269,7 @@ jobs:
           - nightly
     runs-on: ${{ matrix.os }}-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
@@ -293,7 +293,7 @@ jobs:
           - nightly
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: ${{ matrix.toolchain }}
@@ -320,7 +320,7 @@ jobs:
     needs: ["release-github"]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
@@ -354,7 +354,7 @@ jobs:
           - juniper_warp
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
@@ -380,7 +380,7 @@ jobs:
       - wasm
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Parse crate name and version from Git tag
         id: tag
@@ -432,7 +432,7 @@ jobs:
     needs: ["codespell", "test", "test-book"]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: peaceiris/actions-mdbook@v2
 
       - run: make book.build out=gh-pages${{ (github.ref == 'refs/heads/master'