Bump actions/checkout from 3 to 4 (#257)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

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

.github/workflows/ci.yml

@@ -51,7 +51,7 @@ jobs:
               rust_toolchain: stable-x86_64-pc-windows-msvc
     runs-on: ${{ matrix.sys.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup debug info
         shell: bash
@@ -142,7 +142,7 @@ jobs:
             rust_toolchain: stable
     runs-on: ${{ matrix.sys.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: oxidize-rb/actions/setup-ruby-and-rust@v1
         with:

.github/workflows/docker.yml

@@ -35,7 +35,7 @@ jobs:
           # - ruby_target: x86-mingw32
           # - ruby_target: x86-linux
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set rb-sys version variable
         id: vars
@@ -44,7 +44,7 @@ jobs:
           echo "rb-sys-version=$version" >> $GITHUB_OUTPUT
 
       # Test the container
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: "oxidize-rb/oxi-test"
           path: "tmp/oxi-test"

.github/workflows/docs.yml

@@ -16,7 +16,7 @@ jobs:
     name: 📑 Validate Docs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: ruby/setup-ruby@v1
         with:

.github/workflows/integration.yml

@@ -57,12 +57,12 @@ jobs:
           INPUTS: ${{ toJSON(matrix) }}
         run: |
           echo "$INPUTS" | jq
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: ${{ matrix.repo.name }}
           ref: ${{ matrix.repo.ref }}
           path: repo
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           path: rb-sys
       - uses: oxidize-rb/actions/setup-ruby-and-rust@v1

.github/workflows/publish-book.yml

@@ -15,7 +15,7 @@ jobs:
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1