build(deps): bump actions/checkout in the action-dependencies group

Bumps the action-dependencies group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `actions/checkout` from 4.1.3 to 4.1.5
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4.1.3...44c2b7a)

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

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

.github/workflows/_test.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d

.github/workflows/cd.yml

@@ -19,7 +19,7 @@ jobs:
     needs: test
     steps:
       - name: Checkout release tag
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
         with:
           ref: ${{ github.event.workflow_run.head_branch }}
 

.github/workflows/check-upstream-ed25519.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - name: Check out repository
-      uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+      uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
     - name: Test if ed25519 upstream main HEAD is what we expect
       id: test_ed25519
       run: |

.github/workflows/test-kms-aws.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
 
       - name: Set up Python
         uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d

.github/workflows/test-kms.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
 
       - name: Set up Python
         uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d

.github/workflows/test-sigstore.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
 
       - name: Set up Python
         uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d

.github/workflows/test-vault.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f
+        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b
 
       - name: Set up Python
         uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d