chore(deps): update actions/checkout digest to 3df4ab1 (#587)

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

Author: renovate[bot]

Diff for: .github/workflows/merge.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@8b5e8b768746b50394015010d25e690bfab9dfbc
+    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
     - name: Set up JDK 8
       uses: actions/setup-java@4075bfc1b51bf22876335ae1cd589602d60d8758
       with:

Diff for: .github/workflows/pullrequest.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the code
-        uses: actions/checkout@8b5e8b768746b50394015010d25e690bfab9dfbc
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
 
       - name: Set up JDK 8
         uses: actions/setup-java@4075bfc1b51bf22876335ae1cd589602d60d8758

Diff for: .github/workflows/release.yml

@@ -29,7 +29,7 @@ jobs:
       # These steps are only run if this was a merged release-please PR
       - name: checkout
         if: ${{ steps.release.outputs.releases_created }}
-        uses: actions/checkout@8b5e8b768746b50394015010d25e690bfab9dfbc
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
       - name: Set up JDK 8
         if: ${{ steps.release.outputs.releases_created }}
         uses: actions/setup-java@4075bfc1b51bf22876335ae1cd589602d60d8758

Diff for: .github/workflows/static-code-scanning.yaml

@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@8b5e8b768746b50394015010d25e690bfab9dfbc
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL