Bump actions/checkout from 6 to 6.0.2 in the actions group

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


Updates `actions/checkout` from 6 to 6.0.2
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](actions/checkout@v6...v6.0.2)

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

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

Author: dependabot[bot]

.github/workflows/test-docs.yml

@@ -22,7 +22,7 @@ jobs:
   test-docs:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
         with:
           # make rediraffecheckdiff requires git history to compare current
           # commit with the main branch and previous releases.

.github/workflows/test-ssh.yml

@@ -51,7 +51,7 @@ jobs:
             runs_on: windows-2022
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
         with:
           persist-credentials: false
 

.github/workflows/test.yml

@@ -53,7 +53,7 @@ jobs:
             pre: pre
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
         with:
           persist-credentials: false
 

.github/workflows/windows-ssh-image.yaml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.2
         with:
           persist-credentials: false