Update actions/checkout digest to 8ade135 (#700)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/md-links.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
       - name: markdown-link-check
         uses: gaurav-nelson/[email protected]
         with:

.github/workflows/test-kitchen.yml

@@ -55,7 +55,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Check out code
-        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
       - name: Install Chef
         uses: actionshub/[email protected]
       - name: Dokken
@@ -72,7 +72,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
       - name: Install Chef
         uses: actionshub/[email protected]
       - name: Kitchen Converge