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] <[email protected]>

Author: dependabot[bot]

.github/workflows/audit.yml

@@ -20,6 +20,6 @@ jobs:
       - name: Install cargo-audit
         run: cargo install cargo-audit
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Run Audit
         run: cargo audit -D warnings

.github/workflows/format.yml

@@ -14,7 +14,7 @@ jobs:
           rustup toolchain install nightly --profile minimal --component rustfmt --allow-downgrade
           rustup default nightly
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Run Rustfmt
         run:
           cargo fmt --check
@@ -36,6 +36,6 @@ jobs:
       - name: Install Taplo
         run: cargo install taplo-cli
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Run Taplo
         run: taplo fmt --check

.github/workflows/lint.yml

@@ -41,7 +41,7 @@ jobs:
           rustup toolchain install ${{ matrix.channel }} --profile minimal --component clippy --allow-downgrade
           rustup default ${{ matrix.channel }}
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Run Clippy
         run:
           cargo clippy --all-targets --workspace ${{ matrix.features }} -- -D warnings

.github/workflows/publish.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Test Publish
         run:
           cargo publish --dry-run

.github/workflows/spellcheck.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Install cargo-spellcheck
         run: cargo install cargo-spellcheck --locked
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Run Spellcheck
         run: cargo spellcheck check -m 1 2>/dev/null
       - name: Run Spellcheck on CHANGELOG.md

.github/workflows/test.yml

@@ -40,7 +40,7 @@ jobs:
           rustup toolchain install ${{ matrix.rust }} --profile minimal --allow-downgrade
           rustup default ${{ matrix.rust }}
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Build
         run:
           cargo build --workspace ${{ matrix.features }}
@@ -88,7 +88,7 @@ jobs:
           rustup toolchain install ${{ matrix.rust }} --target thumbv6m-none-eabi --profile minimal --allow-downgrade
           rustup default ${{ matrix.rust }}
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Build
         run:
           cargo build --target thumbv6m-none-eabi ${{ matrix.features }} -p ensure-no-std
@@ -116,7 +116,7 @@ jobs:
         run:
           rustup toolchain install nightly --profile minimal --allow-downgrade
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Build
         working-directory: test-crates/minimal-versions
         run: |

.github/workflows/validate.yml

@@ -21,7 +21,7 @@ jobs:
           rustup toolchain install nightly --profile minimal --component miri,rust-src --allow-downgrade
           rustup default nightly
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Test
         run:
           cargo miri test --workspace ${{ matrix.features }} --all-targets --no-fail-fast