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] <[email protected]>

.github/workflows/build.yaml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
         with:
           persist-credentials: false
       - name: Install rust toolchain
@@ -50,7 +50,7 @@ jobs:
           - ""
     steps:
       - name: Checkout sources
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
         with:
           persist-credentials: false
       - name: Install ${{ matrix.rust }} toolchain
@@ -70,7 +70,7 @@ jobs:
     runs-on: ubuntu-latest 
     steps:
       - name: Checkout sources
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
         with:
           persist-credentials: false
       - name: Install rust toolchain
@@ -92,7 +92,7 @@ jobs:
     name: Clippy & Test FreeBSD
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: test on freebsd
         uses: vmactions/freebsd-vm@c96341966a3954a757e6ea41692f7c7b32312a0c
         with:
@@ -114,7 +114,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
         with:
           persist-credentials: false
       - name: Install rust toolchain