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 6.0.1 to 6.0.2
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@8e8c483...de0fac2)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: action-dependencies
...

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

Author: dependabot[bot]

.github/workflows/_test.yml

@@ -43,7 +43,7 @@ jobs:
 
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           persist-credentials: false
 

.github/workflows/cd.yml

@@ -19,7 +19,7 @@ jobs:
     needs: test
     steps:
       - name: Checkout release tag
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
           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@8e8c483db84b4bee98b60c0593521ed34d9990e8
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       with:
         persist-credentials: false
     - name: Test if ed25519 upstream main HEAD is what we expect

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

@@ -13,7 +13,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           persist-credentials: false
 

.github/workflows/test-kms.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           persist-credentials: false
 

.github/workflows/test-sigstore.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           persist-credentials: false
 

.github/workflows/test-vault.yaml

@@ -13,7 +13,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout securesystemslib
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           persist-credentials: false