Bump actions/checkout from 3 to 4

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] <support@github.com>

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
           target: ${{ matrix.target }}
           override: true
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Copy MSRV Lock
         run: make msrv-lock
       - name: Build
@@ -72,7 +72,7 @@ jobs:
           target: ${{ matrix.target }}
           override: true
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install linker
         if: matrix.target == 'i686-unknown-linux-gnu'
         run: |
@@ -100,7 +100,7 @@ jobs:
           target: ${{ matrix.target }}
           override: true
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Check
         env:
           CARGO_BUILD_TARGET: ${{ matrix.target }}
@@ -121,7 +121,7 @@ jobs:
           target: ${{ matrix.target }}
           override: true
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install WasmTime
         run: |
           curl https://wasmtime.dev/install.sh -sSf | bash
@@ -144,6 +144,6 @@ jobs:
           toolchain: nightly
           override: true
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Test
         run: make test

.github/workflows/clippy.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable

.github/workflows/minver.yml

@@ -9,7 +9,7 @@ jobs:
     continue-on-error: true
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: nightly

.github/workflows/rustfmt.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable