Bump actions/checkout from 5.0.0 to 6.0.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](08c6903cd8...1af3b93b68)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/enclave.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout main project
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           submodules: recursive
 

.github/workflows/push-lambda.yml

@@ -19,7 +19,7 @@ jobs:
           aws-region: ${{ vars.AWS_REGION }}
 
       - name: Checkout main project
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # 5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       # The checkout action clobbers our annotated tags with lightweight tags, which confuses JGITVER.
       # Please see https://github.com/actions/checkout/issues/882 for additional discussion.

.github/workflows/push.yml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout main project
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           submodules: recursive
 

.github/workflows/test.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout main project
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           submodules: recursive