Bump actions/checkout from 4.1.3 to 4.2.1 (#205)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.3 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@1d96c77...eef6144)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/nightly_build.yaml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f # v3.5.2
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v3.5.2
       - name: Install cosign
         uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 # v3.5.0
         with:

.github/workflows/pr_build.yaml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: Setup go
         uses: actions/setup-go@v5
         with:
@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
@@ -71,7 +71,7 @@ jobs:
           - v1.23.17
     steps:
       - name: Checkout
-        uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: Install regctl
         uses: regclient/actions/regctl-installer@b6614f5f56245066b533343a85f4109bdc38c8cc # main
       - name: Download archived images

.github/workflows/release_build.yaml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: Setup go
         uses: actions/setup-go@v5
         with:
@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
@@ -72,7 +72,7 @@ jobs:
           - v1.23.17
     steps:
       - name: Checkout
-        uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: Install regctl
         uses: regclient/actions/regctl-installer@b6614f5f56245066b533343a85f4109bdc38c8cc # main
       - name: Download archived images
@@ -101,7 +101,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
       - name: Install cosign
         uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 # v3.5.0
         with: