chore(deps): pin dependencies (#819)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 63966ee..055ff80 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@
     runs-on: ubuntu-latest
     steps:
       - name: Checkout project
-        uses: actions/checkout@v4
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
 
       - name: Run "release-please"
         uses: google-github-actions/release-please-action@cc61a07e2da466bebbc19b3a7dd01d6aecb20d1e # v4