Bump actions/checkout from 4 to 6 (RustPython#6294)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](actions/checkout@v4...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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.yaml

@@ -120,7 +120,7 @@ jobs:
         os: [macos-latest, ubuntu-latest, windows-latest]
       fail-fast: false
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: clippy
@@ -179,7 +179,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
         with:
           target: i686-unknown-linux-gnu
@@ -246,7 +246,7 @@ jobs:
         os: [macos-latest, ubuntu-latest, windows-latest]
       fail-fast: false
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2
       - uses: actions/setup-python@v6
@@ -311,7 +311,7 @@ jobs:
     name: Check Rust code with clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
         with:
             components: clippy
@@ -350,7 +350,7 @@ jobs:
     env:
       NIGHTLY_CHANNEL: nightly
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: dtolnay/rust-toolchain@master
         with:
@@ -372,7 +372,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
 
       - uses: Swatinem/rust-cache@v2
@@ -435,7 +435,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
         with:
           target: wasm32-wasip1

.github/workflows/cron-ci.yaml

@@ -21,7 +21,7 @@ jobs:
     # Disable this scheduled job when running on a fork.
     if: ${{ github.repository == 'RustPython/RustPython' || github.event_name != 'schedule' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
       - uses: taiki-e/install-action@cargo-llvm-cov
       - uses: actions/setup-python@v6
@@ -49,7 +49,7 @@ jobs:
     # Disable this scheduled job when running on a fork.
     if: ${{ github.repository == 'RustPython/RustPython' || github.event_name != 'schedule' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
       - name: build rustpython
         run: cargo build --release --verbose
@@ -80,7 +80,7 @@ jobs:
     # Disable this scheduled job when running on a fork.
     if: ${{ github.repository == 'RustPython/RustPython' || github.event_name != 'schedule' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
       - uses: actions/setup-python@v6
         with:
@@ -137,7 +137,7 @@ jobs:
     # Disable this scheduled job when running on a fork.
     if: ${{ github.repository == 'RustPython/RustPython' || github.event_name != 'schedule' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
       - uses: actions/setup-python@v6
         with:

.github/workflows/pr-auto-commit.yaml

@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout PR branch
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.head.ref }}
           repository: ${{ github.event.pull_request.head.repo.full_name }}

.github/workflows/release.yml

@@ -50,7 +50,7 @@ jobs:
 #            target: aarch64-pc-windows-msvc
       fail-fast: false
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
       - uses: cargo-bins/cargo-binstall@main
 
@@ -93,7 +93,7 @@ jobs:
     # Disable this scheduled job when running on a fork.
     if: ${{ github.repository == 'RustPython/RustPython' || github.event_name != 'schedule' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
         with:
           targets: wasm32-wasip1

.github/workflows/update-doc-db.yml

@@ -26,7 +26,7 @@ jobs:
           - windows-latest
           - macos-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
         with:
           persist-credentials: false
           sparse-checkout: |
@@ -51,7 +51,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: generate
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
         with:
           persist-credentials: false
           sparse-checkout: |