Bump actions/checkout from 3 to 4 (#14)

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/build.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Test package desmume-rs
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Test package desmume-sys
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -53,7 +53,7 @@ jobs:
             target: x86_64-unknown-linux-gnu
             arch: x64
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -113,7 +113,7 @@ jobs:
             target: x86_64-unknown-linux-gnu
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: recursive
 

.github/workflows/clippy.yml

@@ -10,7 +10,7 @@ jobs:
     name: Clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - uses: actions-rs/toolchain@v1

.github/workflows/docs.yml

@@ -10,7 +10,7 @@ jobs:
     name: Docs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - uses: actions-rs/toolchain@v1

.github/workflows/publish_desmume_rs.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Package and Publish
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
 

.github/workflows/publish_desmume_sys.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Package and Publish
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive