chore(deps): update actions/checkout digest to 9a9194f (#1023)

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

.github/workflows/merge.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+    - uses: actions/checkout@9a9194f87191a7e9055e3e9b95b8cfb13023bb08
     - name: Set up JDK 8
       uses: actions/setup-java@fd08b9c8dc6f530393a204a04e1f05101a5d00fd
       with:

.github/workflows/pullrequest.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the code
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+        uses: actions/checkout@9a9194f87191a7e9055e3e9b95b8cfb13023bb08
 
       - name: Set up JDK 8
         uses: actions/setup-java@fd08b9c8dc6f530393a204a04e1f05101a5d00fd

.github/workflows/release.yml

@@ -28,7 +28,7 @@ jobs:
       # These steps are only run if this was a merged release-please PR
       - name: checkout
         if: ${{ steps.release.outputs.release_created }}
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+        uses: actions/checkout@9a9194f87191a7e9055e3e9b95b8cfb13023bb08
       - name: Set up JDK 8
         if: ${{ steps.release.outputs.release_created }}
         uses: actions/setup-java@fd08b9c8dc6f530393a204a04e1f05101a5d00fd

.github/workflows/static-code-scanning.yaml

@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+        uses: actions/checkout@9a9194f87191a7e9055e3e9b95b8cfb13023bb08
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL