Actions(deps): Bump actions/checkout from 4.1.7 to 4.2.1

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.7 to 4.2.1.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@692973e...eef6144)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/clang_format.yml

@@ -21,7 +21,7 @@ jobs:
     env:
       CLANG_MAJOR_VERSION: 17
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332  # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871  # v4.2.1
 
       - name: Add Clang/LLVM repositories
         run: |-

.github/workflows/codespell.yml

@@ -19,7 +19,7 @@ jobs:
     name: Enforce codespell-clean spelling
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332  # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871  # v4.2.1
 
       - uses: codespell-project/actions-codespell@406322ec52dd7b488e48c1c4b82e2a8b3a1bf630  # v2.1
         with:

.github/workflows/linux_and_macos.yml

@@ -94,7 +94,7 @@ jobs:
           sudo ln -s "$(brew --prefix llvm@${{ matrix.clang_major_version }})"/bin/clang++ /usr/local/bin/clang++-${{ matrix.clang_major_version }}
 
       - name: Checkout Git branch
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332  # v4.1.7
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871  # v4.2.1
 
       - name: Build musl Ncurses
         if: "${{ runner.os == 'Linux' && contains(matrix.cc, 'musl') }}"