Update osv-scanner-unified.yml

.github/workflows/osv-scanner-unified.yml

@@ -44,7 +44,7 @@ jobs:
   scan-pr:
     if: ${{ github.event_name == 'pull_request' || github.event_name == 'merge_group' }}
     # If you want to copy this config, highly suggest pinning this version to a release rather than tracking the main branch
-    uses: google/osv-scanner-action/.github/workflows/osv-scanner-reusable.yml@8bd1ce1c4be9d98053ffd9e6e14585276a36762c" # v1.9.1
+    uses: google/osv-scanner-action/.github/workflows/osv-scanner-reusable-pr.yml@8bd1ce1c4be9d98053ffd9e6e14585276a36762c" # v1.9.1
     with:
       # Just scan the root directory and docs, since everything else is fixtures
       scan-args: |-